Spiral welded Carbon steel pipe 1)OD: 1/4''-48'' 2) ... -SCH160 3)Standard:A106 GRB, A53 GRB, API 5L,GRB, Spiral welded Carbon steel pipe Company NameShijiazhuang Beihai Pipe CO.,LTDBusiness ... .514"Length:R1,R2,R3Thread:Plain end,STC,BTC,LTC Spiral welded Carbon steel pipe