The AS3678-350 material is an Australian low-alloy high-strength material with a thickness of more than 8mm, of which 350 refers to the yield strength of the material.
AS3678-350 steel plate smelting composition: C content is 0.15-0.19; Si content is 0.30-0.50; Mn content is 1.40-1.70; P content is 0.020; S content is 0.015; Nb content is 0.015-0.030.
The AS3678-350 material is subject to normalizing heat treatment. After normalizing, the internal structure performs better. The yield strength is above 350MP, and the tensile property is above 450MPa.
The elongation of AS3678-350 steel plate shall not be less than 20%.
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