1.Outside diameter:1/4"~24" 2.Wall thickness:3~30mm 3.Length:6~12m 4.Standard:ASTM,API,BS,JIS,DIN,GB 5.Certification:ISO9001 1 OIL STEEL TUBE 2 1/4"-24' SCH 40-160 3API 5L API5CT 4 HOT finished Rotating heating furnace cooling bed UL and eddy Production Information ofHebei LiTongLian Seamless Steel Tube Co.Ltd(A Subsidiary of Hebei XinYuanTai Steel Tube Group) Production Typesteel pipeMatetialJ55 ...