سفارشی سازی نمونه حرفه ای astm a240
سفارشی سازی نمونه حرفه ای astm a240. ASTM A240/A240M-23. ASTM A479/A479M-23a. covers chromium, chromium-nickel, and chromium-manganese-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications including architectural, building, construction, and aesthetic applications. ...