... 12-1020mm, W.T. 2-60mm. 1.Specification:O.D.76-720mm; W.T. 2.5~16mm;Length:6~12m ... upon clients' confirmation.2.Standard:EN,DIN,APISPEC5L,API5CT,ASTMA53/A106,JIS,BS1387,etc.3.Steel Grade: Q235B, ... caps, varnish or as per customers' requirementsProduct namewelded steel pipe/tubeOut diameter20-219mmWall Thickness0.9-12mmStandardGB/T3091-2001Quality ... made under the ISO9000. API5L Pipeline/ERW Steel Pipe/