Requirements for chemical composition of 09cuptire-a chemical composition

The toughness of steel such as 09CUPTIRE-A chemical composition is the ability of steel to absorb energy in the process of plastic deformation and fracture, and also the ability of steel to resist impact load. It is related to and different from the plasticity of steel. It is the comprehensive performance of strength and plasticity. The strength plasticity index of steel is obtained by static tensile test. When these indexes are used to bear the dynamic load structure, there are obvious limitations.

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ASTM Corten B steel is a hot-rolled structural steel product with better atmospheric corrosion resistance under Technical delivery conditions. ASTM Corten B steel conforms to ASTM standard, with yield strength of 355MPa and 345mpa, and the 09CUPTIRE-A chemical composition yield strength depends on the thickness. The tensile strength of ASTM Corten B steel is 470-630 MPa.

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