ASTM A213/SA213 Alloy-Steel Boiler, Super heater, and Heat-Exchanger Tube Extension:pdf Size:248.15 KB Updated:2023-04-29 9:25 दृश्य:2455 दृश्य डाउनलोड करना Share: पिछला: ASTM A269/SA269 अगला: Stainless steel Pipe ASTM A312/SA312a standard for seamless and welded Austenitic stainless steel pipes