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Steel Properties
designationDate PublishedYield Strength (Fy ksi)Yield Strength (Fy MPa)Tensile Strength(Fu ksi)Tensile Strength(Fu MPa)
A1619241/2 Fu1/2 Fu55-65380-450
S3919353021055-65380-450
S4019353323060-72410-500
G40.419503323060-72410-500
G40.519503323060-72410-500
G40.619504531080-95550-650
G40.819604028065-85450-590
G40.1219644430065450
G40.2119735035065450
descriptionvalueunit
Density7,850 kg / m3
Unit Weight77 kN / m3
Modulus of elasticity200,000 MPa
Shear Modulus77,000 MPa
Thermal Coefficient11.7 x 10-6 / oC
Poisson Ratio0.3
Historical Listing of Selected Structural Steels Steel Properties
Fy (MPa)260300350380400480550700
W260W300W350W380W **400W480W550W--
WT260WT300WT350WT380WT ***400WT480WT550WT--
R----350R----------
A----350A--400A480A550A--
AT----350AT--400AT480AT550AT--
Q--------------700Q
QT--------------700QT
Grade, Types, Strength Levels for Structural Steel *** This grade is avaible in hollow structural sections only **This grade is available in hollow structural sections, angles and bars only G40.20 - General requirements for rolled or welded structural quality steels G40.21 - Structural Quality Steels
Steel Properties