نمایندگی astm a240 کاملا نو
نمایندگی astm a240 کاملا نو ASTM A240/A240M-15 - … ASTM A240/A240M-15, 1.1 This specification2 covers chromium, chromium-nickel, and chromium-manganese-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications. 1.2 The values stated in either SI units or inch-pound units are to be regarded ...