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production programme
Hot-rolledFlat Products
Mittal Steel Ostrava a.s.
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production programme
Hot-rolledFlat Products
Mittal Steel Ostrava a.s.
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Mittal Steel Ostrava a.s.
ESTABLISHED PRODUCER
OF TOP QUALITY
STEEL PRODUCTS
Mittal Steel Ostrava a.s. (formerlyNov Hu, a.s. Ostrava) is thelargest steel-making company inthe Czech Republic and a part ofthe worlds largest steel producerMittal Steel.
In Mittal Steel Ostrava a.s.
production of hot-rolled atproducts has long-time tradition.Production of hot-rolled stripsstarted in 1958. Between 1997and 1999 the production facilityfor production of hot-rolledstrips underwent fundamentalmodernization.
In 1997 a slab continuous castingfacility was put in operation andin 1999 a new wide-strip mill -P 1500 Steckel followed.Manufacturing capacity of theSteckel wide-strip mill is 1 mill.t/year of hot-rolled wide strips.It was not only substantial
diversication in strips in termsof size and quality that the millbrought about. It also createdconditions for further enrichmentof the product range by new steelgrades destined for productionof hot-rolled strips.
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Technology description
Steel grades, chemical composition
Semi-nished products (continuously cast blanks)
Hot-rolled wide strips
Slit hot-rolled wide strips
Hot-rolled sheet metalHot-rolled wide strips and sheet metal with oval stumps
Hot-rolled strips and sheet metal with increased resistance
to atmospheric corrosion
contents
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certication
Mittal steel Ostrava a.s. is theholder of the Quality ManagementSystem certicate according toSN EN ISO 9001 awarded byGerman company RW TV.
Mittal Steel Ostrava a.s. is certiedfor the whole range of hot-rolledproducts of width between 20 mmand 1575 mm and wall thicknessbetween 1.5 mm and 13.0 mm.
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Introduction
Dear customers,
You are in receipt of an offer catalogue of hot-rolled at products, which are produced in Mittal Steel Ostrava a.s. (formerly ISPAT NOVA HUT,a.s.).
This catalogue represents the basic offer of hot-rolled at products and shall gradually be extended and rened in new editions through theacquiring of a new technology at the wide-strip Steckel rolling mill.
Description of production technology
The steel for production of at products is produced by oxygen procedure in the 200-ton tilting tandem furnace at the Steel Plant. In 2/3 thebasic input raw material of the melting charge is hot metal, which is supplied by VYSOK PECE OSTRAVA, a.s. (in which Mittal Steel Ostravaa.s. has majority interest). Remaining 1/3 is steel scrap, scrap iron, sponge iron and iron ore.
Production of the hot-rolled wide strip
Liquid steel is transported in ladles to the Minimill area where the steel is processed at the ladle furnace.
The following operations take place at the ladle furnace:
temperature and chemical homogenization steel deoxidation and accurate alloying to achieve the required chemical composition desulphurization reduction of the contents of non-metallic inclusions adjustment of temperature to the specied casting temperature
After the secondary steel processing at the ladle furnace is nished, the ladle containing treated steel is embedded in the turret and the steelis cast through the tundish into the mold. At the slab continuous caster blanks of width from 740 mm to 1575 mm and of 150 mm thickness
are cast. The continuously cast blanks are cut up to pieces of max. 18 m length and transported in hot condition by a roller conveyer to thereheating and equalizing walking beam furnace. After heating to the rolling temperature the slabs are transported to the rolling mill standsof the P-1500 Steckel rolling mill. After descaling the slabs are guided into the double-stand tandem reversing rolling mill with one verticaledging mill. The rolling mill is equipped with two furnace coilers equalizing the temperature of the hot strip and reducing its cooling duringrolling. The process of rolling itself is fully automated.
After the last pass through the mill stand the strip is guided by the roll table through 7 sections of the laminar cooling into the nished stripcoiler. After coiling, adjustment and marking coils are transported to the storage area. For further processing the hot-rolled strips from theSteckel wide-strip mill are delivered directly to customers or are transported to the shearing lines. The shearing lines enable trimming of sideedges of coils, cutting of 33 t coils to coils of lower total weight, slitting of wide strips to narrow strips and cutting of strips into sheets. Atpresent there are 3 slitting lines and 2 cut-to-length lines for production of sheets.
The production facility of the Steckel rolling mill is projected for a yearly output of c.1 000 000 tons of hot-rolled at products.
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Used terminology
The names of products used in this catalogue are in conformity to the standard SN EN 10079:1996 Denitions of steel products
Seminished products (continuously cast blanks)
Seminished products are continuously cast blanks (slabs) destined for production of hot-rolled strips.
Hot-rolled strip without coating
Both the European and the national standards distinguish two basic types of hot-rolled at products: hot-rolled strips and hot-rolled sheets.
The hot-rolled strip without coating is a hot-rolled product, which is coiled immediately after passing through the nishing mill stand. Afterthe nishing rolling the hot-rolled strip has either slightly rounded edges or trimmed edges in the case of slit wide strip.
Hot-rolled strips are divided into:
Hot-rolled wide strips (of width above 600 mm) Slit hot-rolled wide strips (of rolled width above 600 mm and width after slitting below 600 mm)
Hot-rolled sheet without coating
The hot-rolled sheet without coating is a hot-rolled product with clear edge forming, supplied in tables and with surface in condition afterrolling, mostly of square shape and of width equal to or above 600 mm. The edges are either in condition after rolling (natural edges) ortrimmed.
The sheet produced by cutting of the wide strip at the continuous mill train is called the hot-rolled sheet
In terms of thickness at products are divided into
Thin sheets and strips ( of thickness below 3.0 mm)Thick sheets (plates) and strips (of thickness above or equal to 3.0 mm)
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Steel grades, chemical composition
The chemical analyses of steels, which are stated in the tables of grades suitable for production of hot-rolled strips, should be consideredinformative. The chemical composition of steels according to various standards can differ in the contents of individual elements. For standardsupplies the determinant is the contents of elements specied in the respective standard. If agreed by the production plant, steel strips withmodied chemical composition can also be supplied.
Basic offer of steel grades
Structural steels
Structuralsteels
EN 10025 SN C Mn Si P S Al Use
11 343max.0.16
max.0.045
max.0.045
Structural steel suitable forstamping and production ofwelded components.
S235JRS235JRG2
11 375max.0.17
max.0.045
max.0.045
Structure and machinecomponents of medium thickness,fusion welded, for production of
pressure tanks with limited pressureand temperature of up to 300C
S235J0S235J2G3S235J2G4
11 378max.0.17
max.0.040
max.0.040
min.0.020
Fine-grained structural steelssuitable for cold forming.
Structural steels ofhigh strength
11 425max.0.22
max.0.050
max.0.050
11 428max.0.22
max.0.045
max.0.045
min.0.020
S275JR 11 443max.0.20
Components of structures oflow thickness, welded machinecomponents
S275J0S275J2G3S275J2G4
11 448max.0.16
min.0.020
Welded dynamically stressedstructures operating at bothlowered and elevated temperatures
S355JRS355J0
S355J2G3S355J2G4
11 523max.0.20
max.1.60
max.0.55
max.0.040
max.0.040
min.0.020
Fine-grained structural steelsuitable for cold forming
Steels for cold forming
EN 10111 SN C Mn Si P S Al Use
Steels for coldforming
11 301max.0.08
max.0.40
max.0.025
max.0.025
Steel suitable for deepdrawing with good weldability.
DD11 11 321max.0.10
max.0.45
max.0.025
max.0.025
Structural steel suitablefor cold forming.
DD12 11 325max.0.10
max.0.45
max.0.030
max.0.030
min.0.025
Structural steel suitablefor cold forming.
DD11 11 331max.0.11
max.0.45
max.0.035
max.0.035
Structural steel suitablefor cold forming.
Structural steelsfor extra deep coldforming
DD13DD14
11 305 max.0.07
max.0.40
0.03 0.03 0.03 min.0.025
Steel suitable for deepdrawing with good weldability.
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Steelgrades,
chemicalcomposition
Extended offer of steel grades
Hot-rolled strips and sheets of the steel grades stated in the extended offer can be supplied if agreed by the production plant. The possibilityof supplies depends on the total volume of the required steel grade, the ordered quantity in the required width (of strips and sheets) and theterm of delivery.
Structural carbon steels
EN 10025 SN C Mn Si P S Al Use
Carbonsteels
E 295 11 500max.0.045
max.0.045
Statically and dynamically stressedmachine componentsin which weldability is not required
E 335 11 600max.0.045
max.0.045
Low-grade structural steel formachine components in whichweldability is not required, suitablefor bending
E 360 11 700 max.0.045 max.0.045
Low-grade structural steel for
manufacture of chains in whichweldability is not required
Structural carbon steels
EN 10083 SN C Mn Si P S Al Use
C22E 12 022
0.15
0.22
0.50
0.80
0.17
0.37
max.0.040 max.0.040
C35C35EC35R
12 0400.32
0.39
0.50
0.80
max.0.40
max.0.035
max.0.035
C40C40EC40R
12 0410.37
0.44
0.50
0.80
max.0.40
max.0.035
max.0.035
Suitable for various components,springs.
C45C45EC45R
12 0500.42
0.50
0.50
0.80
max.0.40
max.0.035
max.0.035
Suitable for manufacture of springsand chains.
C50C50EC50R
12 0510.47
0.55
0.60
0.80
max.0.40
max.0.035
max.0.035
Steel for heat treatment.
C55C55EC55R
12 0600.52
0.60
0.60
0.80
max.0.40
max.0.035
max.0.035
Suitable for manufacture of springsand chains.
C60C60EC60R
12 0610.57
0.65
0.60
0.90
max.0.40
max.0.035
max.0.035
Steel for heat treatment.
12 0710.60
0.70
0.60
0.80max.0.35 max.0.035 max.0.035
Suitable for manufacture of springs
and chains, as annealed with goodhardenability, but limited coldformability.
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Microalloyed steel grades
Steel grade according toDIN 17172
Steel grade according toEN 10 208-2
Note
Micro-alloyed steelsfor production
of spiral weld pipes
StE 290.7 TM L 290 MB
StE 320.7 TM
StE 360.7 TM L 360 MBStE 385.7 TM
StE 415.7 TM L 415 MB
StE 445.7 TM L 450 MB The stated steel grades are in the stage of productiontechnology verication at the P-1500 Steckel mill. Thepossibility of supplies to be agreed with the production plantStE 480.7 TM L 480 MB
Microalloyed steel grades
SEW 092 EN 10149-2 Note
Micro-alloyed steelsfor cold forming
S 315 MC
QStE 340 TM
S 350 MC
QStE 380 TM
QStE 420 TM S 420 MC
QStE 460 TM S 460 MC
QStE 500 TM S 500 MC The stated steel grades are in the stage of productiontechnology verication at the P-1500 Steckel mill. The possibilityof supplies to be agreed with the production plantQStE 550 TM S 550 MC
Microalloyed steel grades
Steel grade according to SEW093:1987
CMn
max.Si P S
Almin.
Nbmax.
Timax.
Micro-alloyed steelsfor cold rolling
ZStE 260
0.10
0.60
0.5 0.03 0.03 0.015 0.09 0.22
ZStE 300 0.80
ZStE 340 1.00
ZStE 380 1.20
ZStE 420 1.4 01 ZstE steel grades are supplied only in the form of the hot-rolled strip, as a semi-nished product destined for further cold rolling.2 Micro-alloyed steel grades for cold rolling are in the stage of production technology verication at the P 1500 Steckel mill. The possibility of supplies has to be agreed with
the production plant
Steels with increased resistance to atmospheric corrosion
Steel grade according toSN, KN
Steel grade according toDIN EN 10155
Steel grade according toISO 5952
Note
Steels withincreased
resistance toatmospheric
corrosion
15 117S235J0WS235J2W
HSA 235W The stated steel grades are in the stageof production technology verication at the P1500Steckel mill. The possibility of supplies to be agreedwith the production plant15 217
S355J0WS355J0WP
HSA 355W2HSA 355W1
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Table of comparison of steel grades
EN SNSteel grade according to
DIN 17100:1980 DIN 17100:1966 DIN 1614:1986
11 301
DD13
DD14 11 305 St 24, StW 24
DD11 11 321 St 22, StW 22
DD12 11 325 RRSt 23, RRStW 23
DD11 11 331 St 22, StW 22
11 343 RSt 34-1, RSt 34-2
S235JRS235JRG2
11 375 St 37-2, RSt 37-2 RSt 37-1, RSt 37-2
S235J0S235J2G3S235J2G4
11 378 St 37-3 St 37-3
11 425 RSt 42-1, RSt 42-211 428 St 42-3
S275JR 11 443 St 44-2
S275J0S275J2G3S275J2G4
11 448 St 44-3
S355JRS355J0
S355J2G3S355J2G4
11 523 St 52-3 St 52-3
Table of comparison of steel grades
EN SNSteel grade according to
DIN 17100:1980 DIN 17200:1987 DIN 17222:1979
E 295 11 500 St 50-2
E 335 11 600 St 60-2
E 360 11 700 St 70-2
C35,C35E, C35R 12 040 C35, Ck35, Cm 35
C40,C40E, C40R
12 041 C40, Ck40, Cm40
C45,C45E, C45R
12 050 C45, Ck45, Cm45
C45,C45E, C45R
12 051 C50, Ck50, Cm50
C55,C55E, C55R
12 060 C55, Ck55, Cm55 C55, Ck55
C60,C60E, C60R
12 061 C60, Ck60, Cm60 C60, Ck60
12 071 C67, Ck67
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Semi-nished products (continuously cast blanks)
Semi-nished products are at continuously cast blanks (slabs) destined for production of hot-rolled strips at the P-1500 Steckel wide-striprolling mill. They are produced at the continuous casting machine with yearly capacity of c. 1 million tons .
The slabs supplied are of 150 mm thickness and of length between 5.9 and 18 m.Their width ranges from 740 to 1575 mm. For deliveries ofslabs only chemical composition is guaranteed while mechanical values (tensile strength etc.) are not.
Basic parameters of at continuously cast blanks (slabs)
Parameter
Widthmin.max.
7401 575
mmmm
Thickness 150 mm
Length min.max. 5 90018 000 mmmm
Weightmin.max.
5 10033 000
kgkg
Limit thickness tolerances 5 mm
Limit width tolerances 10 mm
Limit length tolerances+75-25
mm
Weight of semi-nished products
The following graph shows the approximate weight of continuously cast blanks (slabs) in relation to width:
slabweight(kg)
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Delivery of semi-nished products
Surface - continuously cast blanks (slabs) are supplied with surface after casting (scaled) without any further treatment.
Marking of slabs - slabs supplied from the hot strip minimill are marked with an 11-gure code, which is sprayed on the face of the slab withan aluminium paint. The code includes the following identication data:
5 gures - heat number 3 gures - slab order in the casting strand 3 gures - slab width in cm
The side of the continuously cast blank is marked by hand with a white unwashable paint. If agreed with the production plant, further non-standard marking by hand is possible.
Method of storage during transport - wooden pads are used undercontinuously cast blanks transported on platform wagons.Semi-fnishedproducts
(continuouslycastblanks)
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Hot-rolled wide strips
The hot-rolled wide strip is produced at the P-1500 Steckel wide-strip rolling mill in the steel grades stated in the section on steel grades.Chemical composition and characteristic properties of the hot-rolled wide strip conform to the following dimensional standards (if agreedwith the production plant, wide strips produced according to the old standards stated below can also be supplied).
SN EN 10051:1996 + A1:2000 Continuously hot-rolled uncoated plate, sheet and strip of non-alloy and alloy steels Tolerances fordimensions and shape.
DIN 1016:1987 Steel at products. Hot-rolled strip and hot-rolled thin sheet. Sizes, shape and weight tolerances.
Dimensions produced
TypeStrip width1) 2)
mm
Strip thickness 2)Coil parameters
Inside diameter Outside diameter Specic weight
mm mm
Hot-rolled wide strips
980 1 050 1.5 13.0 (15) 3)
c. 762min. 1 400max. 2 100
as per the widthrequired
18 21 kg/mmof strip width(max. 33 t)
> 1 050 1 200 1.6 13.0 (15) 3)
> 1 200 1 250 1.8 13.0 (15) 3)
> 1 250 1 550 2.5 13.0 (15) 3)
1 Hot-rolled strips of width from 740 up to < 980 mm are produced and supplied in limited quantity and after agreement with the production plant.2 Dimensions apply to basic steel grades. Further limitations will apply to the extended offer. Any particular possibilities of supplies of hot-rolled strips produced from steels stated in
the extended offer have to be discussed with the production plant and the respective sales persons.3 Hot-rolled strips are regularly supplied in steel grades S235JR and S235JRG2 in thickness of up to 15.0 mm. Supplies of hot-rolled strips of steel grades S235J0, S235J2G3, S235J2G4 in
thickness between 13.0 mm and 15.0 mm have to be discussed with the production plant and the respective sales persons.
Tolerances of dimensions
Limit dimension and shape tolerances of hot-rolled wide strips abide to full extent by the standardSN EN 10051:1996+A1:2000.
Thickness tolerances
Limit thickness tolerances of steel strips (sheets) of steels with normal deformation resistance at elevated temperatures:
Nominal thickness(mm)
Limit tolerances for nominal thickness 1)2) (mm)
1200 > 1200 1500 > 1500
2.00 0.17 0.19 0.21
> 2.00 2.50 0.18 0.21 0.23
> 2.50 3.00 0.20 0.22 0.24
> 3.00 4.00 0.22 0.24 0.26
> 4.00 5.00 0.24 0.26 0.28
> 5.00 6.00 0.26 0.28 0.29
> 6.00 8.00 0.29 0.30 0.31> 8.00 10.00 0.32 0.33 0.34
> 10.00 12.50 0.35 0.36 0.37
> 12.50 13.00 (15.0) 0.37 0.38 0.401 If agreed with the production plant, hot-rolled strips with more precise width tolerances can be supplied.2 The limit tolerances of steels with high deformation resistance at elevated temperatures are scaled up in relation to steel grades.
Width tolerances
Strip width(mm)
Limit width tolerance for strips with natural edges (mm)
lower upper
1200 0 20
> 1200 1500 0 20
> 1500 0 25
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Delivery of hot-rolled wide strips
Surface coils are supplied with surface after hot rolling (scaled) without any further treatment.
Coil weight The following graph shows the approximate weight of coils in relation to the strip width. Wide hot-rolled strips are regularlysupplied in coils of specic weight ranging from 18.0 kg/mm to 21.0 kg/mm of the width. (Coils of lower specic weight can be supplied ifagreed with the production plant). With maximum coil width of 1575 mm the maximum coil weight is 33 tons.
Marking of coils coils supplied from the P-1500 Steckel rolling mill are provided with the following data sprayed on the coil:
Production order Steel grade Strip dimensions Heat number Product ID (product identication code) Coil weight
The identication data can also be printed on a sticking label which is stuck on the agreed point of the coil after it has cooled down.
Coil binding - Wide coils supplied from the P-1500 Steckel rolling mill with natural edge are bound around the perimeter with a cyclopeantape of 32x1 mm depending on the place of destination.
Standard numbers of perimeter bindings:
for domestic and export deliveries - 2 for overseas deliveries - 3
(If agreed with the production plant, coils can be provided with more perimeter bidings or with cross bindings).
Method of storage during transport - coils are stored on steel pallets (approx. weight 778 kg) with the axis in horizontal positionor they are stored on special wagons.
Hot-rolledwide
strips
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Slit hot-rolled wide strips
Slit hot-rolled wide strips from the P-1500 Steckel wide-strip rolling mill are manufactured by cold slitting or trimming (edges) on the slittinglines of the production plant after hot rolling. These products are produced in conformity to the following dimensional standards:
SN EN 10051:1996 + A1:2000 Continuously hot-rolled uncoated plate, sheet and strip of non-alloy and alloy steels Tolerances fordimensions and shape.
DIN 1016:1987 Steel at products. Hot-rolled strip and hot-rolled thin sheet. Sizes, shape and weight tolerances.
Dimensions produced
Width 2)
Thickness of slit strip 2) Coil parameters
1.5 1.6 1.8 2.5 > 5.0 > 6.0 > 7.0
Inside diameter Outside diameter Specic weight 1)a
< 1.6 < 1.8 < 2.5 5.0 6.0 7.0 8.0
mm mm mm
20 < 120 c. 600 max. 1 350as per the width required 7.0
9.0 kg/mm
120 < 200
c. 600(or c. 762) max. 2 100
as per the width required18 21 kg/mm
of strip width(max. coil weight 33 t)
200 1 030
200 1 180
200 1 230
200 1 530
1 If agreed with the production plant, coiled narrow slit strips or trimmed wide strips (width 120 to1530 mm) of specic weight 9.0 - 10.5 kg can be supplied.2 Dimensions apply to basic steel grades. Further limitations will apply to the extended offer. Any particular possibilities of supplies of hot-rolled strips produced from steels stated in the extended offer have to
be discussed with the production plant and the respective sales persons.
Tolerances of dimensions
Limit thickness tolerances of the slit strip are to full extent those applicable to the wide strip. Limit width tolerances abide by the standardSN EN 10051:1996 + A1:2000.
Width of the slit strip
Limit width tolerances (mm)
podle SN EN 10051:1996 + A1:2000 By agreement
lower upper lower upper
20 10000 + 3
0 + 1 0.5
> 1000 1200 0 + 2
> 1200 1500 0 + 5 0 + 3
> 1500 0 + 6 0 + 3
If agreed with the production plant, slit hot-rolled strips with more precise thickness and width tolerances can be supplied.
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Delivery of slit hot-rolled strips
Surface - coils are supplied with surface after hot rolling (scaled) without any further treatment.
Coil weight - The following graph shows the approximate weight of coils in relation to the strip width. With maximum coil width of 1575 mmthe maximum coil weight is 33 t.
Marking of coils coils produced at the P-1500 Steckel rolling mill and subsequently slit at the slitting lines are provided with sticking labelswith the following data printed:
Production order Heat number
Steel grade Coil weight Strip dimensions (mm) Product ID (product identication code)
Binding of coils and packs - Coils of slit strips are bound around the perimeter with a cyclopean tape of 32x1 mm and cross-wise with acyclopean tape of 32x1 mm or wire 2.5 mm depending on the width and the place of destination. Standard numbers of perimeter andcross bindings are stated in the table. If agreed with the production plant, coils of slit strips can be provided with a different number ofbindings.
Place ofdestination
Width of the slitstrip [mm]
Binding (number of bindings x kind of binding material)
Separate coilsCoil packs
Coils inside packs Coil pack
Perimeter Cross Perimeter Cross Perimeter Cross
Domestic+
Export
20 < 60 2xD 3xC
60 < 1201xC 3xC 1xC
2xD 4xC
120 2xD
Overseas
20 < 60 2xD
4xC60 < 120
1xC 4xC 1xC
2xD
120 1xC
Method of storage during transport - coils are stored on steel pallets (approx. weight 550 or 778 kg) with the axis in horizontal position.
Slithot-rolled
widestrips
Coil
width of slit strip (mm)
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Hot-rolled sheet metal
Hot-rolled sheet metal from the P-1500 Steckel wide-strip mill is made of hot-rolled wide strips by cold cross-cutting at the cut-to-length linesof the production plant. Sheets and plates are produced in conformity to the following dimensional standards:
SN EN 10051:1996 + A1:2000 Continuously hot-rolled uncoated plate, sheet and strip of non-alloy and alloy steels Tolerances fordimensions and shape.
DIN 1016:1987 Steel at products. Hot-rolled strip and hot-rolled thin sheet. Sizes, shape and weight tolerances.
Dimensions produced
MakeWidth Length
Sheet thickness
1.5 1) > 2.0 > 3.0 > 4.0 > 5.0 > 6.0 > 7.0 > 8.0 > 10.0
a
2.0 3.0 4.0 5.0 6.0 7.0 8.0 10.0 13.0
mm m mm
Standardsizes
1 000 2.0
1 250 2.5
1 500 3.0
Non-standardsizes
600 < 980 2) 1.0 12.0 2.0 8.0 (13.0)
980 1 050 1.0 12.0 1.5 13.0 (15.0) 3)
> 1 050 1 200 1.0 12.0 1.6 13.0 (15.0) 3)
> 1 200 1 250 1.0 12.0 1.8 13.0 (15.0) 3)
> 1 250 1 550 1.0 12.0 2.5 13.0 (15.0) 3)
1 Hot-rolled sheet metal in thickness from 1.5 to 2.0 mm is produced within the width range stated in the manufacturing potential of the wide hot-rolled strips in coils at the Steckel rolling mill. Possibilities ofsupplies have to be agreed with the production plant.
2 Hot-rolled sheets of width between 740 and 980 mm are produced and supplied in limited quantities and after agreement with the production plant.3 Hot-rolled sheet metal with natural edge is supplied in steel grades S235JR and S235JRG2 in thickness of up to 15.0 mm. Supplies of hot-rolled sheet metal with natural edge of steel grades S235J0,
S235J2G3, S235J2G4 in thickness between 13.0 mm and 15.0 mm have to be discussed with the production plant and the respective sales per sons.
Tolerances of dimensionsLimit thickness tolerances of sheet metal are to full extent those applicable to the wide strip. Limit width and length tolerances abide by thedata stated in the following table:
Sheet metal width(mm)
Limit width tolerances (mm)
Natural edges Trimmed edges
According to SN EN 10051+ A1lower upper lower upper
600 1 200 0 + 20 0 + 3
> 1 200 1 500 0 + 20 0 + 5
> 1 500 0 + 25 0 + 6
Sheet metal length(mm)
Limit length tolerances (mm)
< 2 000 0 +10 0 +10
2 000 < 8 000 0 +0.005 x l 0 +0.005 x l
8 000 0 +40 0 +40
Limit dimension and shape tolerances of hot-rolled sheet metal abide to full extent by the standard SN EN 10051:1996+A1:2000. If agreedwith the production plant, sheet metal with more precise thickness tolerances can be supplied. (The sheets of steel grades S235 can alsobe supplied with dimensional tolerances according to the standard SN EN 10029:1995 if agreed with the production plant).
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Delivery of sheet metal
Surface sheet metal is supplied with surface after hot rolling (scaled) without any further treatment.
Sheet metal weight - The following table shows the approximate weight of sheet metal of basic width 1000 mm:
Sheetmetal
thickness
(mm)
Sheet metal length (mm)
1 000 2 000 3 000 4 000 5 000 6 000 7 000 8 000 9 000 10 000 11 000 12 000
Weight of sheet metal of1000 mm width (in kg)2 16 32 48 64 80 96 112 128 144 160 176 192
2.5 20 40 60 80 100 120 140 160 160 200 220 240
3 24 48 72 96 120 144 168 192 216 240 264 288
3.5 28 56 84 112 140 168 196 224 252 280 308 336
4 32 64 96 128 160 192 224 256 288 320 352 384
4.5 36 72 108 144 180 216 252 288 324 360 396 432
5 40 80 120 160 200 240 280 320 360 400 440 480
6 48 96 144 192 240 288 336 384 432 480 528 576
7 56 112 168 224 280 336 392 448 504 560 616 672
8 64 128 192 256 320 384 448 512 576 640 704 768
9 72 144 216 288 360 432 504 576 648 720 792 864
10 80 160 240 320 400 480 560 640 720 800 880 960
11 88 176 264 352 440 528 616 704 792 880 968 1 05612 96 192 288 384 480 576 672 768 864 960 1 056 1 152
13 104 208 312 416 520 624 728 832 936 1 040 1 144 1 248
Sheet metal marking - sheet metal supplied from the P-1500 Steckel rolling mill and the cut-to-length line is provided with sticking labels withstandardly printed data:
Production order Heat number Steel grade Pack weight - number of sheets in the pack Sheet dimensions (mm) Sheet length (mm) Product ID (product identication code)
Note: If agreed with the production plant, the sticking labels can also be provided with different data specied by the customer.
Binding of sheet metal packs - Sheet metal packs are standardly bound crosswise with a cyclopean tape 32x1 mm depending on the sheet lengthand transport method. The standard methods of binding are shown in the following tables:
Number of transversal loops for truck transport
Sheet length (mm) Number of loops
3 000 3
> 3 000 4 500 4
> 4 500 6 000 5
> 6 000 7 500 6
> 7 500 12 000 7
Number of transversal loops for railway and sea transport
Sheet length (mm) Number of loops
2 000 2> 2 001 2 300 3
> 2 300 3 000 3 *)
> 3 000 3 500 4
> 3 500 4 200 5
> 4 200 5 000 6
> 5 000 5 800 7
> 5 800 6 600 8
> 6 600 7 400 9
> 7 400 8 100 10
> 8 100 8 800 11
> 8 800 9 500 12
> 9 500 12 000 13
Note: In conformity to the CD trafc regulations the packs of sheet metal in length between 2300 mm and 3000 mm are additionally provided withtwo longitudinal bindings using a cyclopean tape.Method of storage during transport - wooden pads are used under the packs of hot-rolled sheet metal stored on a selected means of transport.
Hot-rolled
sheetmetal
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Hot-rolled sheet metal and strips with oval stumps
Sheet metal and strips with relief are only supplied with oval stumps (tear-drop sheet metal and strips). Hot-rolled strips with oval stumps incoils are produced and supplied according to the technical delivery conditions of Mittal Steel Ostrava a.s. Strips and sheet metal with ovalstumps are produced according to the following dimensional standards:
SN 42 5392:1990 The hot-rolled sheets of steel grades 10 and 11 with oval stumps.
DIN 59220:2000 The hot-rolled relief steel sheets Dimensions, weight, tolerance.TP NH 222/02 The wide steel strips with oval stumps in coils hot-rolled at the P-1500 Steckel rolling mill (manufacturing standards ofMittal Steel Ostrava a.s.)
The pattern of the strip and sheet metal with oval stumps (by DIN 59220:2000 the shape is referred to as the pattern T ):
Coiled hot-rolled wide strip with oval stumps
Dimensions produced
TypeStrip width 3)
Strip thickness 1) Coil dimensions
(t) Inside diameter Outside diameter Coil weight 2)
mm mm
Coiled stripswith oval stumps
980 1 100 3.0 10.0
c. 762min. 1 350max. 2 100
as per the widthand thickness> 1 100 1 300 4.0 10.0
> 1 300 1 550 5.0 10.01 If agreed with the production plant, strips with oval stumps in thickness 11.0 and 12.0 mm can be supplied.2 The weight of coils of hot-rolled strips with oval stumps is limited by max. outside diameter (2100 mm). Max. achievable weight has to be discussed with the production plant.3 If agreed with the production plant, limited quantity of strips with oval stumps in thickness from 740 to < 980 mm can also be supplied.
Tolerances of dimensions
Limit dimension and shape tolerances of coiled hot-rolled strips with oval stumps abide by the manufacturing standards of Mittal SteelOstrava a.s. If agreed with the production plant, strips with oval stumps with tolerances different from those stated in the manufacturingstandards can also be supplied. The possibilities of supplies have to be discussed with the production plant.
Delivery of coiled hot-rolled wide strips with oval stumps
In terms of surface, coil marking, coil binding and storing during transport the method of delivery of coiled hot-rolled wide strips with ovalstumps is no different from the method of delivery of hot-rolled wide strips with smooth surface. The strip is wound with oval nibs inside thecoil. Coiled hot-rolled wide strips with oval stumps are standardly supplied with natural edges. If agreed with the production plant, coiled hot-rolled wide strips with oval stumps in thickness between 3.0 and 8.0 mm can also be supplied with trimmed edges.
1.0 up to 2.0 mm
t
60
10
30
60
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Hot-rolled sheet metal with oval stumps
Dimensions produced
MakeWidth Length
Thickness of hot-rolled sheet metal with oval stumps
3 4 5 6 7 8 9 10 11 12
mm m mm
Standardsizes
1 000 2.0
1 250 2.5
1 500 3.0
Non-standardsizes
600 < 980 1.0 12.0 3.0 8.0
980 1 100
1.0 12.0
3.0 10.0 (12)
1 100 1 300 4.0 10.0 (12)
1 300 1 550 5.0 10.0 (12)
Tolerances of dimensions
Limit dimension and shape tolerances of sheet metal with oval stumps in width between 3.0 and 10.0 mm abide by the values stipulated bythe standards SN 42 5392:1990 or DIN 59220:2000. If agreed with the production plant, sheet metal with oval stumps in thickness 11.0and 12.0 mm and with arranged tolerances can also be supplied.
Delivery of sheet metal with oval stumps
In terms of surface, pack marking, pack binding and storing during transport the method of delivery of hot-rolled sheet metal with ovalstumps is no different from the method of delivery of hot-rolled sheet metal with smooth surface. Wooden pads are used under sheet metalwith oval nibs which is placed with relief downwards on the selected means of transport.
Basic offer of steel grades for sheet metal and strips with oval stumps
EN 10025 SNSteel grade according to
DIN 17100:1980 DIN 17100:1966
11 343 RSt 34-1, RSt 34-2
S235JRS235JRG2
11 375 St 37-2, RSt 37-2 RSt 37-1, RSt 37-2
S235J0S235J2G3S235J2G4
11 378 St 37-3 St 37-3
11 425 RSt 42-1, RSt 42-2
11 428 St 42-3
S275JR 11 443 St 44-2
S275J0S275J2G3S275J2G4
11 448 St 44-3
S355JRS355J0
S355J2G3
S355J2G4
11 523 St 52-3 St 52-3
Hot-rolledsheetmetal
andstripswithovalstumps
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Hot-rolled strips and sheet metal with increased resistance
to atmospheric corrosion
Flat products with increased resistance to atmospheric corrosion are supplied in the form of hot-rolled wide strips with natural edges, slit hot-rolled wide strips and hot-rolled sheet metal. Strips and sheet metal with increased resistance to atmospheric corrosion are manufactured in
conformity to the following dimensional standards:SN EN 10051:1996 + A1:2000 Continuously hot-rolled uncoated plate, sheet and strip of non-alloy and alloy steels Tolerances fordimensions and shape.
Coiled hot-rolled wide strip with increased resistance to atmospheric corrosion
Dimensions produced
TypeStrip width Strip thickness
Basic parameters of coils
Inside diameter Outside diameter Specic weight
mm mm
Smooth with naturaledges
980 1 550 3.0 13.0 c. 762min. 1 350max. 2 100
as per the required width18 21 kg/mmof strip width
(max. coil weight 33 t)
If agreed with the production plant, limited supply of strips with increased resistance to atmospheric corrosion in width from 740 mm to < 980 mm is possible.
Tolerances of dimensions
Limit thickness deviations of wide strips with increased resistance to atmospheric corrosion are to full extent those applicable to wide stripsmade of structural carbon steel grades. Width limit deviations of wide strips and slit strips abide by SN EN 10051:1996 + A1:2000.
Delivery of coiled hot-rolled wide strips
In terms of surface, coil marking, coil binding and storing during transport the method of delivery of hot-rolled strips with increased resistanceto atmospheric corrosion is no different from the method of delivery of hot-rolled wide strips with smooth surface. If agreed with theproduction plant, coiled strips of width between 3.0 and 8.0 mm with trimmed edges can also be supplied.
Hot-rolled sheet metal with increased resistance to atmospheric corrosion
Dimensions produced
MakeWidth Lenght
Sheet metal thickness
1.5 > 2.0 > 3.0 > 4.0 > 5.0 > 6.0 > 7.0 > 8.0 > 10.0up to
2.0 3.0 4.0 5.0 6.0 7.0 8.0 10.0 13.0
mm m mm
Standardsizes
1 000 2.0
1 250 2.5
1 500 3.0
Non-standardsizes
600 < 980 1.0 12.0 3.0 8.0 (13.0)
980 1 550 1.0 12.0 3.0 13.0
If agreed with the production plant, limited supply of sheets with increased resistance to atmospheric corrosion in width from 740 mm to < 980 mm is possible.
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Tolerances of dimensions
Dimension limit deviations and tolerances of shape of sheet metal with increased resistance to atmospheric corrosion in width between 1.5and 13.0 mm abide by the values specied in SN EN 10051:1996 + A1:2000. If agreed with the production plant, hot-rolled sheet metalwith more precise thickness tolerances can also be supplied.
Delivery of sheet metal
In terms of surface, pack marking, pack binding and storing during transport the method of delivery of hot-rolled sheet metal with increasedresistance to atmospheric corrosion is no different from the method of delivery of hot-rolled sheet metal with smooth surface made ofstructural carbon steel grades. Wooden pads are used under the packs of sheet metal on the selected means of transport.
Basic offer of steel grades for sheet metal and strips with increased resistance
to atmospheric corrosion
EN 10155Steel grade according to
SN ISO 5952
S235J0W
S235J2W
15 117 HSA 235W
S355J0W 15 217 HSA 355W2
S355J0WP 15 217 HSA 355W1
Hot-rolledsheetm
etaland
stripswithincreasedresistance
toatmosphericcorrosion
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Notes:
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Notes:
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Order data specication
When sending an enquiry or order, it is necessary to provide the following technical and commercialdata in it:
Example of the order data:
Hot-rolled strip
Required product Hot rolled stripDimensions (thickness x width) 2.5 x 1060 mmSteel grade Steel EN 10025 + A1 S355J0Required tolerances acc. to SN EN 10051+A1
acc. to required specicationCoil inside diameter c. 600 mmCoil size (max. coil weight xx tons, max. outside diameter
xxx mm, max. spec. weight 18kg/mm, etc.)Ordered quantity 150 tonsTerm of delivery month, year
Testing - inspection certicate 3. x.x. acc. to SN EN 10204+A1Further treatment cold rolling, metal coating, stamping
Hot-rolled sheet metal
Required product hot-rolled sheet metalDimensions (thickness x width x length) 2.5 x 1000 x 2000 mmSteel grade Steel EN 10025 + A1 S275JRG2Required tolerances acc. to SN EN 10051+A1
acc. to required specicationSheet metal pack - limit max. pack height 500 mmPack weight - limit max. weight xx tonsOrdered quantity 50 tonsTerm of delivery month, yearTesting - inspection certicate 3. x.x. acc. to SN EN 10204+A1Further treatment cold rolling, metal coating, stamping
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Mittal Steel Ostrava a.s.Vratimovsk 689707 02 Ostrava-KuniceCzech Republic
T +420 595 685 115, +420 595 682 832
F +420 595 686 229E [email protected]
www.mittalsteelostrava.com
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Mittal Steel Ostrava a.s.Marketing