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China Asme B16.47 Ser,A Welding Neck Flanges suppliers | #http://www.hkforging.net/weldi....ng-neck-flanges/asme

China Asme B16.47 Ser,A Welding Neck Flanges suppliers

China Asme B16.47 Ser,A Welding Neck Flanges suppliers

China Asme B16.47 Ser,A Welding Neck Flanges suppliers 1. Introduction锛欰SME B16.47 Class 300 Series A Weld Neck Flanges are a low nitrogen, low-carbon, ferritic steel that offers crevice corrosion resistance and pitting greater to most ferritic alloys. 2. Description锛欰SME B16.47 Cl