A915/A915M
A915/A915M (Standard Specification for Steel Castings, Carbon, Alloy, and Martensitic Stainless Chemical Requirements Similar to Standard Wrought Grades)· ASTM (米国) · 26 材料
A915/A915M (Standard Specification for Steel Castings, Carbon, Alloy, and Martensitic Stainless Chemical Requirements Similar to Standard Wrought Grades)· ASTM (米国) · 26 材料