China ST52 steel plate stock

ST52 steel is the German standard, corresponding to China's GB3524-2005 standard 16Mn; Japanese G3106 standard SM50.
ST52 steel, German standard: S- means soluble welding; T- represents Thomas steel; 52- represents minimum tensile strength. China's standard 16Mn is the old name, the new name should be Q345. ST: is expressed in terms of material strength (this method applies only to unalloyed steels) 52: minimum tensile. The maximum tensile strength of material resistance uniform plastic deformation, tensile specimens before under maximum tensile stress, the deformation is uniform, but beyond the metal after the necking phenomenon began to appear, which produce concentrated deformation; for no (or very small) brittle materials with uniform plastic deformation, it reflects the fault the resistance of the material. The symbol is Rm (GB/T 228-1987, the old GB standard, the tensile strength symbol is b), the unit is MPa. Tensile strength generally refers to the critical value of plastic or metal transition from uniform plastic deformation to localized plastic deformation.

ST52 steel is also the maximum load capacity of plastic or metal under static tensile condition. For plastic material, which characterize the maximum resistance uniform plastic deformation, tensile specimens before under maximum tensile stress, the deformation is uniform, but beyond the metal after the necking phenomenon began to appear, which produce concentrated deformation; for no (or very small) brittle materials with uniform plastic deformation, it reflect the fracture resistance.

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