arcelormittal commercial sections s.a. advanced steel ... · 6 new jumbo sections astm a6/a6m –...
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ArcelorMittal Commercial Sections S.A.
Advanced steel grades and solutions
March 2013
Technical AdvisoryDipl.-Ing. Marc May
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IntroductionProduct range
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IPE 80 - 750 HE 100 - 1000 HL 920 - 1100 HD 260 – 400UB 914x419 UC 254 – 356
+ jumbo sections
55-265
100-300400-420
260-400
100-
750
100
-100
0
920-
1100
260-
400
9,5 - 140
ArcelorMittal Commercial Sections:The worldwide market leader in sections
Size range / grades according to:
EN / BS / ASTM / GOST / JIS
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New Jumbo SectionsASTM A6/A6M – 12
89,9504281108976W 1000 x 400 x 976W 40 x 16 x 655
115,176,747310931377W 920 x 420 x 1377W 36 x 16.5 x 925
115,164,046110931269W 920 x 420 x 1269W 36 x 16.5 x 853
10960,545710811194W 920 x 420 x 1194W 36 x 16.5 x 802
99,155,045110611077W 920 x 420 x 1077W 36 x 16.5 x 723
1401004766001299W 360 x 410 x 1299W 14 x 16 x 873
130954715801202W 360 x 410 x 1202W 14 x 16 x 808
mmmmmmmmkg/m
tftwbhG
max.min.
t f
w
max.
min.
t
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IntroductionSteel grades and standards
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Designation of the steel grade (EN10025-2)
S
Principal symbolS = structural steel
Mechanical properties355 = min. yield strength in MPaJ = min. toughness 27 JK = min. toughness 40 J
R = test temperature +20°C0 = test temperature 0°C2 = test temperature -20°CDelivery conditions+ N+ M+ AR
355 2J Z15
Special requirementsZ 15 = min. 15% strictionZ 25 = min. 25% strictionZ 35 = min. 35% striction
+MS
Principal symbolS = structural steel
Mechanical properties355 = min. yield strength in MPaJ = min. toughness 27 JK = min. toughness 40 J
R = test temperature +20°C0 = test temperature 0°C2 = test temperature -20°CDelivery conditions+ N+ M+ AR
355 2J Z15
Special requirementsZ 15 = min. 15% strictionZ 25 = min. 25% strictionZ 35 = min. 35% striction
+M
Designation of steel gradesaccording to EN10025
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Designation of the steel grade (EN10025-4)
S 355 M
Physical characteristics
L for low temperatures
M thermomechanical rolling
M : min toughness 40 J at -20°C test temperature
ML: min. toughness 27 J at -50°C test temperature
min elongation:
S355M / S355ML 22%
S460 M / S460 ML 17%
Designation of steel gradesaccording to EN10025
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HISTARHIgh STrength Steels from ARcelorMittal
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33ArAr
Classical rolling
Temperature
Rolling with selective cooling
Selective cooling
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20Selective cooling zone
Selective cooling
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QST Bank
Finishingstand
QST Bank entry850°°°°C
QuenchingSelf Tempering
600°°°°C
HISTAR beam
The Quenching and Self-Tempering (QST) process
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850°°°° C
QSTWater cooling
Self Tempering600°°°° C
Quenching and Self-Tempering (QST)
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23F//RECH/AXMA20P/P9
600
800
1000
1200
Ar3
Temperature(°°°°C)
recrystallisedaustenite
Ar1
Ferrite +Austenite
Ferrite + Perlite
Bainite
Martensite
Hot rolling TM rolling QST treatment
Sur
face
Quenching
GRAIN
DEFORMATION
time
HISTARR
Non-recrystallisedaustenite
time time
Inside
«« +AR+AR »» «« MM »» «« HISTARHISTAR »»(as (as rolledrolled ) (TM ) (TM rollingrolling ) (TM + QST)) (TM + QST)
Comparison of rolling processes
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Advantages of HISTAR steels
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ETA: Full compliance with EN10025-4 (-> CE-mark) and EN1993 / EN1994
Comparison of yield strength between HISTAR and fine grain structural steels according to EN
10025-3/4:2004
250
300
350
400
450
500
0 10 20 30 40 50 60 70 80 90 100 110 120
Material thickness [mm]
Min
. Yie
ld s
tren
gth
Reh
[Mpa
]
HISTAR 460
HISTAR 355
S460M/ML
S355M/ML
S460N/NL
S355N/NL
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Advantages of HISTAR steels
Influence on the
slenderness of load carrying capacity of columns in
HISTAR and conventional
steels
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Design according to Eurocode
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Design according to Eurocode
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Effe
ctiv
e le
ngth
= 3
.5 m
S355 HISTAR460
Weight
Cost
UC356x406x634 UC356x406x467
100%
Weight Savings Using HISTAR460
74%
� 26% Weight and Cost Savings
� 4 Sections Drop
NOTE:
There is a 20-50% drop in price between the Jumbos and non-Jumbo sizes!
Design advantages of HISTAR steels
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WeightWeightCostCost
Weld volumeWeld volume
S355S355HD400x677HD400x677
HISTAR460HISTAR460HD400x463HD400x463
68%68%68%68%
48%48%
100 %100 %
Economical Use of HISTAR460for Tension Members in Trusses
* 32% Weight & Cost Savings
* 52% Savings in Weld Material
Economical advantages of HISTAR steels
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Preheating temperatures for conventional structural steel g rades and HISTAR grades (acc. to EN 1011-2: 2001 / method A)
Economical advantages in fabrication
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• CE-mark , European Technical Approval ETA-10/0156• EN 10025-4 (fine grain high strength structural grades)• EN 10225 (offshore grades)• ASTM A913 / up to Grade 70 (70 ksi = 485 MPa)• AISC : ASD, LRFD, Seismic Provisions• UBC, IBC 2000• FEMA 350 and 353 (Seismic Recommendations)• Welding Code AWS D1.1• China: Acceptance by Seismic Committee in Shanghai• Australia• Russia
HISTAR grades are approved and comply to:
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Applications
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SkyscrapersIndustrial structures
Deep foundations
Deep foundations
Special structures
Bridges
Typical applications
Offshore
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Reference projects: High-rise buildings
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Freedom Tower - Manhattan
Architect:
David Childs SOM
Structural Engineer:
WSP Cantor Seinuk
1776 ft, 69 Office Floors, 105 Floors total
Concrete Core with a perimeter of steel columns (total of 80,000 tons of steel)
Approx. 8,100 MT Jumbos in A913 Gr.65
Courstesy Skidmore, Owings, Merill M LLP/Dbox Studio
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Differdange Histar Sections for the Hearst Tower in New York
“Vertical extension” of existing
1928 Art-Deco style building.
Architect: Sir Norman Foster
3000 T Histar Sections
© Chuck Chai
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NYU Palladium
Shearson Lehman
St. Luke’s Hospital
Citicorp
Mt. Sinai Hosp.
Time Warner
“Lipstick”
599 Lex.Worldwide
Plaza
750 Seventh Ave
Swiss Bank - Saks
1585 Broadway
Morgan Stanley
450 Lexington
New York Times
Loews Theater, 42 nd St.
Hilton, 42 nd St.
Times Square 4 (Conde Nast)
300 Madison (CIBC)
Times Sq. 5 (Ernst & Young)
420 Fifth Ave
Hutton Plaza
383 Madison (Bear S.)
Hearst
Sloan Kettering Hosp.
731 Lexington
1745 B’way (Random H.)
World Financial C.
WTC 7 Reconstr.
60 & 75 Wall Street
Baruch College
Buildings in New York with Jumbo Shapesfrom ArcelorMittal
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Height 492m – 90 floors
17 000t sectionsin HISTAR 355 (ASTM A913 gr50)
Architect: Kohn Petersen Fox Ass., NY+ Mori Building Architects
Engineer: Leslie Robertson Ass. NY
Shanghai World Financial Center
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VelodromeBerlin (D)
Total area: 30 000 m 2
Seats: 5800 - 9500Span: 120 mExt. diameter: 142 mTonnage: 3500 toSections: HD 400Grade: HISTAR 355
Architect: Dominique Perrault (F)Velodrome - Berlin (D)
Trusses with Jumbo Shapesfrom ArcelorMittal
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Power plants
Lanxi Power Plant (China)Cross-columns and heavy sections in HISTAR460
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Diandong2 powerplant in China
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Typical spans: 10 - 45m
Road and railway bridges
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Composite Bridges
• Comparison for a bridge with a span of 17 mand 2 traffic lanes
Steel grade
Section
Constructiondepth
Steel
weight
S460M
HE 550 M
0.95 m
- 8 %
S460M
HE 700 B
1.08 m
- 20 %
S235
1.38 m
+ 16 %
HE 1000 M
S355
HE 700 M
1.09 m
reference
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