KEC INTERNA TIONAL L TD.,JABA LPUR ,SECTION REV NCl, ..••.•...•.•. "~-~"" "-<1, ""' ..,,~.~.<.~ •..• _-}-'V_HH_ •.•. .;... '!~_q ttl·::> r------,- , 1~'P.7,-.-~rH.I i i. 1 ~~;(~;~~~;'.~ • I 1.1. I, SHWCH}RAL STEEL I I (ANGLE SECTiONS &. I PLATES) I I i.i.r PHYSICAL PROPERTIES Test for Strength ultimate Tensile lone sample for 50 1\1Tor I!S 2067 Grade ' ;'2 s r,)."', .,In',;;/f', n." ' ! . part thereof as per IS I""-',~_~ -,".-'Pu D. 2062 E350 (a) (b 1- Test tor Yield Stress for 50 r<l1'T or is 2062 Grade i One part thereof as pe~ ~S 2062 E350 I (c) I I Test (d) I Bend T C;t lS 2062 Grade E250A/BRlBO 2062 EJ50 2062 £350 Pieces at room temp. shall - withstand bending through 180 0 To an internal dia not greater for Dia ~25 mm ".21 for Dia > 25mm-3t , with both side QA, (KEC) ~~.!.Pi (KEC:) QPM/QA/20 OJ Steef as per IS 2062 to b:-::: procured from main l.e. SAIL, Tiseo, Hsee), or Re- I RoBers main 1 producers and CESC I approved sources. For l re-rollers specific approval ofCESC is to be ensured if required as per contract for Direct Purchase. i facturers , Certif-icates. Verification of Manu- Test Verification of r,,1anu- facturers Test Certif-icates. Verification of Manu .. facturers Test Certif-icates, _~__J
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ComponentlOperation and Sampling Plan with basis Reference DocumentDescription of Test & acceptance norms
Remarks
(b) Test for Yield Stress
One sample for 50 MT or JIS G 3]01part thereof as per JIS G3101One sample for 40 MT or DIN 17100part thereof as per DIN ASTM- A361 A36M17100 / ASTM - A36 I A572/A572M-Gr.50A572One sample tor 20 MT. BSEN 10025per section per lot or partthereof , one sample for40MT/seclcastlor partthere of as per BSEN10025
One sample for 50 MT or JIS G 3101part thereof as per JIS G3101
One sample for 40 MT or DIN J 7100 __part thereof as per DIN ASTM - A36/A36M17100 I ASTM - A 361 A A 572fA572M572
One sample for 20 MT BSEN J 0025per section per lot or partthereof , one sample for40MT/seclcastlor partthere of as per BSEN10025
QA Verification of Manu-(KEC) facturers Test Certif-
icates.
QA(KEC)
QA(KEC)
\\
( c ) Percentage ElongationTest
( d ) Bend Test
One sample for SOMT or JIS G 3101part thereof as perJIS G3101One sample for 40 MT or DIN 17100part thereof as per DIN ASTM - A36/A36M17100 I ASTM-A 36 / A A.572/A572M572One sampJe for 20 MT or Not required for steelpart thereof as per DIN as per BSEN 1002517100
DIN 11100One sample for 40 MT or Bend Test 180"
Verification of Manu-facturers Test Certif-icates.
Verification of Manu-facturers TestCertificates.
APPROVED~. STAMP HERE
KEC INTERNA nOHAL LTD.,JABALPUR SBCTlON QPMIQAI~()Ire REV. NO. 01MANUFACTURING QUALITY PLAN REV. DATE 13.08.2010
CUSTOMER-CESC SHEET NO. Page 6 of22
I TITLE: MANUFACTURING QUALITY PLAN
Component/Operation and Sampling Plan with basis Reference DocumentDescription of Test & acceptance norms
NOTE: For Acceptance Norms refer Table -2 for Chemical Properties and Table -3for Mechanical Properties.
part thereof as per ASTMand KEC Specification.
ASTM-A6/6MGrade A36/A36MBend Test - 1800
Grade A572/A572MBend Test - 1800
Remarks
IA.1. VISUAL CHECKS IS 2500 LEVEL - II, BSEN 10025 / lIS G RY Record Review.3 AQL - 1.5 as per Table- 31011 ASTM A6 / (KEC)
1 enclosed. DIN 17100
IA.I. DIMENSIONAL IS 2500 LEVEL -II, BSEN 10056-1 , JIS RY Record Review.4 CHECKS AQL - 1.5 as per Table- G 3101/ ASTM A6 / (KEC)
(Including Root Radius) I enclosed. DIN 1028 &1029
Verification of Manu-facturers Test Certif-icates.
IAJ. CHEMICAL2 COMPOSITION
IA.1. TOLERANCES FOR
BSEN 10025 for KECIThOne. sample for 20 MTper section per lot or partthereof , one sample for40MT/sec/cast/or partthere of as per BSEN10025One sample for 40 MT orpart thereof as per BSEN100251 JIS G 31011 DIN
·171001 ASTM-A36!A572.
acceptable norms,please refer Table -3, enclosed.
BSEN 10025JIS G 3101 ! DIN17100/ ASTM -AJ.6I A572.
Component/Operation and Sampling Plan with basis Reference DocumentDescription of Test & acceptance norms
Remarks
2.0
(ii) For 17.5 mm dia hole
Cropping (Cutting) Ist piece and subsequentlyany piece before soth andsoon.
( a ) Stamping
( b ) Punching/Drilling
( c ) Edge Security Same as 2.0 ( b )(i) For 13.5 mm dia hole
( d ) Drilling & Punching Hole Same as 2.0 ( b )to Hole Distance
Same as 2.0 (b)
Same as 2.0 ( b )
Length tolerance ± 2mm. The cut surfaceto be clean, reasonab-le square & free fromdistortion.
Letter Size8x16 mm or 8xl4 mm
Punching to be clonefor the thickness upto 12 mm. Drillingto be done forthickness more than12mm. Holes nearbend to be Punched IDrilled after bending.Hole should beperpendicular tosurface & differencein dia on both sidesof "flange should notbe more than 0.8 mm
Sheared 20 mm Min.. Rolled 16 mm Min.
Sheared 23 mm Min.Rolled 20 mm Min.
Sheared 28 mm Min.Rolled 25 mm Min.
Sheared 38 mm Min.Rolled 33 mm Min.
Tolerance cumulativeand between concee-utive hole shall bewithin ± 2 mm and ±1 mm respectively. '.
FAB Record Review(KEC)
FAB(KEC)
FAB(KEC)
FAR(KEC)
FAB(KECTL)
FAB(KEC)
Record Review
Record Review
Record Review
Record Review
Record Review
Record Review
(Hi) For 21.5 mm dia hole
(iv) For 2S/2S.Smm diahole
\'
APPROVED BY.-'l"': "....." STAMP HERE
KEC INTERNA TIONAL LTO.,JA BAL PUR SECTION QPMJQA/20Ire REV.NO. 01
MANUFACTURING QUALITY PLAN REV. DATE 13.08.2010
CUSTOMER-CESC SHEET NO. Page 12 of22
I TITLE: MANUFACTURING QUALITY PLAN
Component/Operation and Sampling Plan with basis Reference DocumentDescription of Test & acceptance norms
Remarks
(e) Gauge Distance Same as 2.0 ( b ) :!:Imm FAB Record Review( Back Mark) (KEC)
(f) Notching, Same as 2.0 ( b ) + 5 mm on specified .FAB Record ReviewFlange Cut, length of cut operat- (KEC)Comer Cut, ion by Shearing uptoBevel Cut 12 mm thick, and by
gas cutting for mater-ial above 12mm thick
(g) Heel Grinding Same as 2.0 ( b ) After grinding the FAB Record Reviewthickness on heel (KEC)should be equal ormore than the thickn-ess of the memberwith + 2 mm and -0mm tolerance.
(h) Bending 100% Pieces -IS 802 Part II FAB Record ReviewIS 1215, Drawing (KEC)
(i) HT Section/Plates All sections and allangles to be hot bend
(ii) MS Sections Process Cold Bend:Upto 75x6 - upto 10°,Upto 100x8 - upto 5°
All other angle sect-ions and bend angleshall be hot bend.
(Hi) MS Plates Cold Bend - upto 12mm thick (MS) upto15° angle. Greaterbend & other thickn-ess shall be hot bend.
( i ) Welding Same as 2.0 ( b ) As per KEC FAB Record ReviewApproved Welding (KEC)Procedure & WeldingQualification.
Component/Operation and Sampling Plan with basis Reference DocumentDescription of Test & acceptance norms
Remarks
(k) Proto (Model Assembly One structure of each typeas per requirement of theCESC)
(j) Final InspectionFabricated Parts
3. GALVANIZING
3.1 PROCESS CONTROL
of As per Sampling PlanQPM/QAl26
All parameters froin(a) to (k) above arechecked and recordsmaintained beforereleasing the materi-als for galvanizing.
KEC ApprovedStructural Drawings,Bill of Materials,Tower to beassembled andchecked for dimens-ions, angle, size. Bythis, to verify interch-ange ability ofmembers, etc.
(a) Degreasing in DEOIL One sample dailysolution
Pointage of 10%solution 9 ±3 ML
Temperature ofdegreaser- Room to 60 °c
(b) Pickling
(i) Acid Content One sample daily IS 262950 - 210 GmsILtr.
(ii) Iron Content Om: sample daily IS 2629120 GmslLtr.Max.
(Hi) Density One sample daily 12 to 30 Beaume
(c) Rinsing One sample daily IS 2629PH value to be betw-
QA Record Review(KEC)
QA(KECTL)
R&D(KEC)
QA(KEC)
QA Record Review(KEC)
f\
Record Review
Record Review
Record Review
Record Review
Record Review
Record Review
~APPROVED B~NAT~ STAMP HERE
KEC INTERNA TlOHAL LTD.,JABALPUR SECTlON QPM/QA/20In:c REV. NO. 01MANUFACTURING QUALITY PLAN REV. DATE 13.08.2010
CUSTOMER-CESC SHEET NO. Page 14 of22
ITITLE: MANUFACTURING QUALITY PLAN
Component/Operation and Sampling Plan with basis Reference DocumentDescription of Test & acceptance norms
Remarks
een 5 and 6
(d) Pre-Fluxing in ZnCl2 and One sample daily IS 2629 QA Record ReviewNH4CI Solution (KEC)
~.
(i) Iron content 50 Gm/Ltr. Max.
(ii) Density in Be 36 to 44 Beo
(Hi) Ph Value 2 to 3
(iv) Temperature Room to se-e
(e) Stripping One sample daily QA Record Review(KEC)
Density in Beo 17 to 45 Beaume
Iron Content 25 GmslLtr. Max.
(f) Pre-heating Once in a day IS 2629 QA Record Review120°C to 150°C (KEC)
-Hot Chamber Temp.(2300 to 3300 C)
3.2 DIPPING (GALV.)
(a) Zinc bath temperature Once in a day. IS 2629 QA Record Reviewcontinuous recording by 4400 e to 4750 e (KEC)graph or manual. Hourly - Galvanizing Work-recording and verifi- jug Temperaturecation by Temperature ( 4450 to 4650 C )Meter.
(b) Immersion time and IS 2629 GPwithdrawal time Article to be immers- (KEC)
Component/Operation and Sampling Plan with basis Reference DocumentDescription of Test & acceptance norms
Remarks
( c ) Quenching andDichromating in runningwater .lDeoxident
3.3 GALVANIZINGCHECKING·
Once daily.
( a ) Visual Checking 100 %
(c) Weight of Zinc Coating
( b) Thickness of Zinc Coat- Eight Samples per Shifting
GP Record Review(KEC)
IS 2629Surface to be freefrom defects like bare1 black spots (exceptwhen small andsuitable for patch-ing) heavy ash & fluxinclusion, lumps,pimples, runs, etc.
KEC Record ReviewIS 2629 / IS47591 (QA)BS729Material <5mm thick65 Microns minaverage.Smm thick & above86 Microns min
ated by stoppage ofbubbling withdrawalto be controlled, sothat zinc drainsfreely.
IS 2629Strength of solutionsto be maintainedBetween 0.2% to 1%Sodium Dichromate.Or as per supplierrecommendation