SA-320/SA-320M
SA-320/SA-320M (Specification for Alloy Steel and Stainless steel Bolting for Low-Temperature Service)· ASME (États-Unis) · 36 matériaux
SA-320/SA-320M (Specification for Alloy Steel and Stainless steel Bolting for Low-Temperature Service)· ASME (États-Unis) · 36 matériaux