... 2)WT: SCH5-SCH160 3)Standard:A106 GRB, A53 GRB, API 5L,GRB, A106-B Seamless Steel Pipe Company NameShijiazhuang Beihai ... diameterWall thickness15-406.4mm2-65mm1/2"-48"SCH5-SCHXXS Material and standardItemChinese StandardAmerican standardGerman standard110#A53ASt37DIN 1626A106ASt37-2DIN17175A179CSt35.8DIN17175220# ... -12mBSQ195,Q235,Q215,Q345ASTMA283-D,A135-A,A53-A,A106-A,A179-C,A214-C,A192,A226,A315-B, ...