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ArcelorMittal FB 450 Hot rolled ferrite-bainite steel

Category Metal , Ferrous Metal , Alloy Steel
Manufacturer ArcelorMittal
Trade Name FB
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ArcelorMittal FB 450 Hot rolled ferrite-bainite steel.pdf
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Material Notes:
Available in the following: uncoated (HDT450F) and Extragal® (HDT450F+Z)Description: This range of hot-rolled high strength steels has been developed to meet weight reduction requirements. It comprises four strength levels: FB 450, 540, 560 and 590. This family of steels extends the HSLA range of micro-alloyed steels to include products combining high tensile strength (UTS) with excellent formability and hole expansion (stretch flangeability) based on their ferrite-bainite microstructure.Applications: These steels are cold-drawn. The main applications are:structural parts (longitudinal beams, cross beams, car-body and ground liason parts),wheels,mechanical parts (ground liason parts, gear boxes...).ArcelorMittal has an extensive database relating to the forming and service properties of the entire range of ferrite-bainite steels. To integrate these steels at the design stage, a team of experts is available to perform specific studies based on modeling or laboratory tests.Information provided by ArcelorMittal
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 450 - 510 MPa
65300 - 74000 psi
Tensile Strength, Yield 300 - 380 MPa
43500 - 55100 psi
Elongation at Break >= 25 %
>= 25 %
L<Sub>0</sub>=80 mm, th<3 mm
>= 32 %
>= 32 %
L<Sub>0</sub>=5.65v <Sub>0</sub> mm, th<3 mm
Fatigue Strength <= 320 MPa

@# of Cycles 2.00e+6
<= 46400 psi

@# of Cycles 2.00e+6
<= 320 MPa

@# of Cycles 1.00e+7
<= 46400 psi

@# of Cycles 1.00e+7
<= 400 MPa

@# of Cycles 100000
<= 58000 psi

@# of Cycles 100000
Component Elements Properties Metric English Comments
Carbon, C <= 0.17 %
<= 0.17 %
Iron, Fe >= 98.98 %
>= 98.98 %
as balance
Manganese, Mn <= 0.80 %
<= 0.80 %
Silicon, Si <= 0.050 %
<= 0.050 %
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