... GRB, API 5L,GRB, A106-B Seamless Steel Pipe Company NameShijiazhuang Beihai Pipe CO.,LTDBusiness TypeMANUFACTURE AND EXPORTERProductspiral welded carbon steel ... A106-A,A179-C,A214-C,A192,A226,A315-B,A53-B,A178-C,A210-A-1,A210-CDINSt33,St37,St37 ... ,St52.4,St52JISG3452,G3457,G3454,G3455,G3456,G3461API 5LA,B,X42,X46,X52,X56,X60,X70,X65,X80OD:2. ... ,R2,R3Thread:Plain end,STC,BTC,LTC A106-B Seamless Steel Pipe