... both at home and abroad. StandardGradeSpecificationsGB10#,20#,45#,16MnO.D.:1/2"-20"W.T.:SCH10-XXSLength:5-12mBSQ195,Q235,Q215,Q345ASTMA283 ... -D,A135-A,A53-A,A106-A,A179-C,A214-C,A192,A226,A315-B,A53-B,A178-C ... A106-B seamless steel pipeInfo. of pipeO.D.:1/2-18" W.T.:SCH10-XXS Length:5.8-12mToleranceO.D.:+1%/-1%, W.T.:+12 ...