... blind, socket welding, threaded, lap-jointPressure: 150#, 300#, 600#,900#,1500#, 2500#Wall thickness for welding neck flange: STD, SCH40, SCH80, ... 4301, 1.4404Coating: rust-proof oil, transparent paint, cold and hot galvanizePackage: sea worthy plywooden case, wooden pallet 4) ... steel 304/304L, 316/316LCoating: rust-proof oil, cold and hot galvanizePackage: sea worthy plywooden case, wooden pallet 5) ...