... price A333 GR1 Steel Pipe MaterialCarbon Steel, Stainless Steel, Alloy Steel, Nickel Alloy Steel, Duplex Steel and Super Duplex SteelSteel Pipe TypeSeamless Steel Pipe, Welded Steel Pipe, LSAW ... ,P22,P91;A231 T5,T9,T11,T12,T22,T23,T91;Q235, Q195, Q345, 20#, A53(A,B), 10#, 16Mn, A106(B ...