... , GB ProductsPIPES, Elbow, Bend, Tee ,Reducers ,Flange ,Cap , Corrugated Expansion Joint, Metal hoseMaterialASTM:A234-WPB, WP1,WP5,WP9,WP11,WP12,WP22 ... -2Use:Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, etc seamless stainless steel pipe