A709-50F-2 steel material category: Alloy structural steel
A709-50F-2 steel plate is an American standard bridge plate used in the manufacture of riveted and bolted road and rail bridges (including sea-crossing bridges).
A709 refers to the American standard: ASTM A709 structural steel for bridges. This standard is similar to GB/T 714 structural steel "GB/T Bridge Structural Steel". Of course, due to the different standard systems, the data inside are different. 50 is the grade in the ASTM A709 standard: A709-50T-2, A709-50F-2.
A709-50F-2 bridge plate chemical composition:
C≤0.23, Si 0.15-0.4, Mn≤1.35, P≤0.02 5, S≤0.02, Al≥0.02
Application range of A709-50F-2 bridge plate:
It is used in the production of highway bridges and railway bridges (including sea-crossing bridges) of riveted and bolted structures.
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