A573 Grade 70 high strength structural steel sheet for large oil storage tank

Weathering steel is mainly used for steel structures exposed to the atmosphere for a long time, such as railways, vehicles, bridges, towers, photovoltaics, and high-speed projects. It A573 Grade 70 high strength structural steel sheet is used to manufacture structural parts such as containers, railway vehicles, oil derricks, seaport buildings, oil production platforms, and containers containing hydrogen sulfide corrosive medium in chemical petroleum equipment.

A283 Gr A steel composition(%)
Carbon, max 0.14
Manganese, max 0.90
Silicon: 0.40 0.15-0.40
Phosphorus, max 0.035
Sulphur, max 0.04
A283 Gr A steel plate mechanical property
Tensile Strength: 45,000 -60,000 psi [310 - 415 MPa]
Min. Yield Point: 24,000psi [165 MPa]
Elongation in 8"": 27% min
Elongation in 2"": 38% min

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