Weldability of HPS Sections

8/11/2019 Weldability of HPS Sections

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Weldability of High PerformanceRolled H-sections

Georges Axmann, Arcelor, China


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A modern production processProduction: Melting, Casting, Rolling

Electric Arc Furnace Continuous Caster Scrap

Beam blankRolling Mills


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Beam BlanksBeam Blanks


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ELECTRIC ARCFURNACE

CONTINUOUSCASTERBEAM BLANKS STOCK

WALKING BEAMFURNACE

SHEAR

BLOOMING

Saw

Saw

QST

Oxycutting

ROUGHING

INTERMEDIATE

FINISHING

ROLLING MILL

Ladle stand

Ladle furnace

Cooling bed

Tundish

Ladle

turntable Slagevacuation

SCRAP BUCKET

STEEL LADLE

Slagevacuation

Production flow in DifferdangeModern production of H-sections


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Beam blanks produced in Differdange

BEAM BLANK 0 BEAM BLANK 1 BEAM BLANK 3 and 4

500 6901118.8

400

450

5001

00

130

132

HEA 200 - 340

HEB 200 - 340

HEL 200 - 340

HEM 200 - 300

IPE 400 - 450HD 260 - 320

UC 10100- 14142

WF 10100 - 14142

WTM 12120

HEA 260 - 600

HEB 260 - 600

HEL 260 - 600

HEM 260 - 600

IPE 450 - 600HD 260 - 400

HEJ 500 - 600

HTM 400 - 550

PTM 356 - 400

UB 21081 - 24120

UC 10100 - 14160WF 10100 - 24090

WTM 12120

HEA 600 - 1000

HEB 300 - 1000

HEL 300 - 1000

HEM 300 - 1000

IPE 500 - 750HEJ 600 - 900

HTM 600 - 1000

HZ 575 - 975

HL 1000 - 1100

UB 24090 - 36162

UC 14160WF 14160 - 36162

WTM 24123 - 36162


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Rolling of Beams :Universal and Edging Stands

Universal stand

Edging stand


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Finishingstand

QST Bank entry850

CSelf Tempering

600

CQuenching

HISTAR beam

QST Bank

High Performance H-Sections - Production


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High Performance H-Sections - Production

Inline QST teatment


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Improved Yield Strength for large thickness

Thickness (mm)Thickness (mm)00

Yield StrengthYield Strength((MPaMPa))

500500

450450

400400

350350

300300

250250

2020 4040 6060 8080 100100 120120 140140

Usual Steel Gr.345Usual Steel Gr.345

Usual Steel Gr.450Usual Steel Gr.450

HISTAR ASTM A913 Gr.450HISTAR ASTM A913 Gr.450

HISTAR ASTM A913 Gr.345HISTAR ASTM A913 Gr.345


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Stress Strain curve

Fy=63.0 ksi [435 MPa]

Fu= 82.0 ksi [565 MPa]

A200=19.6%, (A5d=24.5%)

Gr. 50 ksi (345 MPa)flange thickness = 1 [26 mm]

S

tre s s [MP

a ]

Strain (%)


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Stress Strain curve

A913 Grade 65 (450 MPa)flange thickness = 0.88 [22.5 mm]

Fy=68.5 ksi [473 MPa]

Fu= 86.4 ksi [596 MPa]

A200=22.0%, (A5d=25.9%)Stre s s [MP

a ]

Strain (%)


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Ductility and Toughness of HISTAR

Excellent ductil ity compared to usual steels givesExcellent ductil ity compared to usual steels gives

HISTAR (ASTM A913) steels a superior performanceHISTAR (ASTM A913) steels a superior performance

in extreme overloading situations: earthquake, fire,in extreme overloading situations: earthquake, fire,blast (column removal).blast (column removal).

Outstanding toughness compared to usual steelsOutstanding toughness compared to usual steelsimproves HISTAR (ASTM A913) steelsimproves HISTAR (ASTM A913) steels resistance toresistance to

brittle failurebrittle failure (material separation(material separation with no/littlewith no/litt le

plastic deformation) / and improved crack arrestingplastic deformation) / and improved crack arrestingproperties.properties.


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0.70.7

0.50.5

0.30.3

0.10.1

00235235 355355 460460

500500

CE (%)CE (%)

Re (Re (MPaMPa))

130130

7070

5050

> 0> 0

140 (mm)140 (mm)

1010

conve

ntio

nalgra

des

con

vent

iona

lgrade

s

PreheatingPreheating CC

4040

8080

1010

140140

TMQS

TTM

QST

Weldability

Effect of Chemical Composition on Yield Strength

CE (%) = C (%) + +CE (%) = C (%) + + ++MnMn (%)(%)66

(Cr + Mo + V) (%)(Cr + Mo + V) (%)55

(Cu + Ni) (%)(Cu + Ni) (%)1515


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Preheating Temperature before Welding

Structural Welding Code AWS D1.1 (Table 3.2)

Thickness A913/65 & 50(S450 & S345) A992/A572 (S345)

3-20 mm (1/8 - 3/4) 0C (32F) 0C (32F)

21-38 mm (3/4 - 1 1/2) 0C (32F) 10C (50F)39-65 mm (1 1/2 - 2 1/2) 0C (32F) 65C (150F)

> 66mm (over 2 1/2) 0C (32F) 110C (225F)

Applicable for low hydrogen weld metal (H8)

Weldingof 125 mm thick

shape HD400x1086 kg(W14x730 lbs)

A913/Gr.450 HISTARwithout preheating

No Preheat!No Preheat!

125 mm (5)125 mm (5125 mm (5 ))


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Bend test after welding: A913 Gr.450

SMAW FCAW SAW

E= 12kJ/cm E= 8 kJ/cm E= 35 kJ/cm

SMAW FCAW SAW SAW

E= 12kJ/cm E= 8 kJ/cm E= 35 kJ/cm E= 50 kJ/cm


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Tensile test across welded joint

FCAWE=8 kJ/cm

200

300

Re (MPa)

400

500

600

SMAWE=12 kJ/cm

SAWE=35 kJ/cm

Malde baseFCAW

E=8 kJ/cm

Rm (MPa)

SMAWE=12 kJ/cm

SAWE=35 kJ/cm

Malde base

630 MPa max EN 10025-4

700

300

400

500

600

700

Limite d'asticit R istance ? la rupture

470 MPa min EN 10025-4

345 MPa min EN 10025-4

21

200

21 21 21 21 21 2121

HISTAR 355

Yield Strength Tensile strength


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Impact tests on welded joints

100

200

300

0

S LF

LF+2

LF+5

S LF

LF+2

LF+5

S LF

LF+2

LF+5

FCAWE=8 kJ/cm

SMAWE=12 kJ/cm

SAWE=35 kJ/cm

S 355 M / EN 10025-4

100

200

300

0

FCAWE=8 kJ/cm

100

200

300

0

FCAWE=8 kJ/cm

CharpyV

(J)

S LF

LF+2

LF+5

S LF

LF+2

LF+5

S LF

LF+2

LF+5

S LF

LF+2

LF+5

S LF

LF+2

LF+5

S LF

LF+2

LF+5

Sous-peau Racine

Mi-aisseurSMAW

E=12 kJ/cmSAW

E=35 kJ/cm

SMAWE=12 kJ/cm

SAWE=35 kJ/cm

356

S 355 M / EN 10025-4

S 355 M / EN 10025-4

Charpy

V

(J)

Charpy

V

(J)

Malde base

Malde base

Malde base

NuanceLocalisationSLF

: HISTAR 355: longitudinal - 1/6 aile: soudure, mal d'apport: ligne de fusion

LF+5mm LF+2mm LF S

Sous-peau

Mi-aisseur

Racine

Ep.

2mm

2mm

Sens de laminage


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Structural Applications

BuildingsBuildings

Offshore platformsOffshore platforms PlantsPlants

Parking garagesParking garages

BridgesBridges

TrussesTrusses

Columns in


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Columns inHigh-Rise

New York loves steel


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New York loves steel

World Financial C.

60&75 Wall Street

WTC 7 Reconstr.

NYU Palladium

Shearson Lehman

St. Lukes Hospital

Citicorp

Mt. Sinai Hosp.

Time Warner

Lipstick

599 Lex.

WorldwidePlaza

750 Seventh Ave

Swiss Bank - Saks

1585 Broadway

Morgan Stanley

New York Times

Loews Theater, 42nd St.

Hilton, 42nd St.

Times Square 4 (Conde Nast)

300 Madison (CIBC)

Times Sq. 5 (Ernst & Young)

420 Fifth Ave

Hutton Plaza

450 Lexington

383 Madison (Bear S.)

Buildings built with Arcelors Steel Shapes Hudson River View

Hearst

Sloan Kettering Hosp.

731 Lexington

1745 Bway (Random H.)

Baruch College

W i ht S i i C l A li ti


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Weight Saving in Column Applications

Bu

cklingle

ngth:3.5m

Bu

cklingle

ngth:3.5m

Gr. 245Gr. 245 Gr. 345Gr. 345 A913/ 450A913/ 450

160 %160 %156 %156 %

100 %100 % 70 %70 %68 %68 %

weightweightcostcost

HD 400x1086HD 400x1086 HD 400 x 677HD 400 x 677 HD 400 x 463HD 400 x 463

Column applications and economical aspects


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Column applications and economical aspects

77 Hudson, Jersey City, USAColumns in Gr.450 (65ksi) instead of Gr.345 (50ksi)

32 storeys

102 000 m2 area (1.1 mill ion ft.2)

4.37 m floor to floor height (14-4 )

5 kPa live load (100 lbs/ft.2 )

Columns spacing:9.14 x 9.14m and 9.14 x 14.94m(30 x 30 and 30 x 49- 3 )

High rise applications and economical aspects


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Column conversion table(77 Hudson, Jersey City, USA)

15% Weight saving in columns

due to Grade 450 i/o Grade 345

Grade 345 Grade 450 SizeDifference

W 14 x 730 W 14 x 665 1W 14 x 665 W 14 x 605 1W 14 x 605 W 14 x 500 2W 14 x 550 W 14 x 426 3W 14 x 500 W 14 x 398 3W 14 x 455 W 14 x 398 2W 14 x 426 W 14 x 370 2W 14 x 398 W 14 x 342 1W 14 x 370 W 14 x 342 1W 14 x 342 W 14 x 283 2W 14 x 311 W 14 x 257 2W 14 x 283 W 14 x 233 2W 14 x 257 W 14 x 211 1W 14 x 233 W 14 x 193 2

W 14 x 211 W 14 x 176 2W 14 x 193 W 14 x 159 2W 14 x 176 W 14 x 145 2W 14 x 159 W 14 x 132 2W 14 x 145 W 14 x 120 2W 14 x 132 W 14 x 109 2

W 14 x 120 W 14 x 99 2W 14 x 109 - -

3463

2970

0

500

1000

1500

2000

2500

3000

3500

Grade 50 Grade 65

Total column weight [MT]:

High-rise applications and economical aspects

Gr.345 Gr.450

SEISMIC DESIGN


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199 Fremont, San Francisco

RBS

Strong Column - Weak Beam Conceptenhanced by Reduced Beam Section (RBS)

SEISMIC DESIGN

Column: A913 Gr.450 (65ksi)Beam: Grade 345 (50ksi)

N P l Pl B ildi B iji


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New Poly Plaza Building Beijing1st reference with ASTM A913 steel in China

New Poly Plaza Building Beijing


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y g j g1st reference with HISTAR steel in China

30 floors 101,300 m2 170m $

Lobby 90 m high withoutcolumns

Suspended structure

Quantity : 3653 mt Columns, A913-60: 2681 mt

Beams, A913-50: 972 mt

Architect Designer: SOM SanFrancisco

scale model


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Mori building : Shanghai World Financial Center


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Firsts for Arcelor:

First time a Non Japanese Steel producer

succeeded in concluding a direct business

with one of the TOP Japanese companies:

Total tonnage :

- 34,500 mtons of plates- 16,740 mtons of beams

First High-rise building in Shanghai inHISTAR 345 beams and DI-MC460 plates

from Dill ingen



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Second tallest building :492 m 101 floors 377,300 m2

Hotel : 79th to 87th floors

Architect : Kohn

Pedersen Fox Associates,NY

Engineer : Leslie E.

Robertson Associates,NY


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SWFC Shanghai with Histar 355 and DI-MC460

Applications


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Applications

Buildings

Offshore platforms

Plants

Parking garages

Bridges

Trusses

Applications


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Applications

BuildingsBuildings

Offshore platformsOffshore platforms

PlantsPlants


BridgesBridges

TrussesTrusses

Lanxi Power Plant - China


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Lanxi Power Plant China

Conversion frombuilt-up sections

to rolled sections

Optimization of the

spans for heaviestJumbo in steelA913/gr.65


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Optimization of Jumbos


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p

OPTIMIZATION OF JUMBOSW360x818kg/m in composite columns Macau


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W360x818kg/m in composite columns, Macau

Applications


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Applications

BuildingsBuildings

Offshore platformsOffshore platforms

PlantsPlants


BridgesBridges

TrussesTrusses


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Weight Savings in Truss Applications


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g g pp

Relative WeightRelative Weight

HD400 x 1086HD400 x 1086 x 900x 900 x 677x 677

Relative CostRelative Cost

Weld volumeWeld volume

Gr.235Gr.235 Gr.345Gr.345 A913/gr. 450A913/gr. 450

142%142%

133%133%119%119%

87%87%

77%77%

59%59%

100 %100 %

Truss in Gr. 450 typicallyover 20% lighter than Gr. 345

Boeing assembly hall, Seattle


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108 m

3000 tonsA913/gr. 45035 % lighter than 345 MPa

BANK ONE BALLPARK, Phoenix - AZ


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Bank One BaseballStadium, Phoenix Arizona

2200 T W14 jumbos andW36 heavies HISTAR


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Football Stadium, Houston - Texas


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Truss applications and economical aspects


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A913 Gr. 450 (65ksi) COMPRESSION MEMBERS

(Reliant Stadium in Houston - Texas)


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HISTARHISTARss acceptance in Hong Kong and Chinaacceptance in Hong Kong and China


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1990: HISTAR per BS4360-55C approved in Hong Kong

2004: 1st reference in China: New Poly Building in Beijing

Mori Building / Shanghai World Financial Center (+10,000 to) by

acceptance of the Shanghai City Construction Committee

ASTM A913-65 HISTAR in Powerplants: Lanxi, Diandong, etc.

ASTM A913 modified to satisfy mandatory requirements of

Chinese Seismic Design Code: Elongation, Yield ratio, Through-thickness property

ASTM A913-65 HISTAR steel successfully passed welding

evaluation tests in China (CWA) -- without preheating as per codeAWS D1.1


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Weldability of HPS Sections

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