SA-234/SA-234M
SA-234/SA-234M (Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High-Temperature Service)· ASME (Stany Zjednoczone) · 21 materiałów
SA-234/SA-234M (Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High-Temperature Service)· ASME (Stany Zjednoczone) · 21 materiałów