SA-320/SA-320M
SA-320/SA-320M (Specification for Alloy Steel and Stainless steel Bolting for Low-Temperature Service)· ASME (Vereinigte Staaten) · 36 Materialien
SA-320/SA-320M (Specification for Alloy Steel and Stainless steel Bolting for Low-Temperature Service)· ASME (Vereinigte Staaten) · 36 Materialien