1.Seamless steel linepipe 2. API standards 3.ISO 9001. 4.ASTM A 106GR.B /A 53GR.B/ API 5L PSL 1 Hot rolled ... ,ASTM A106 GrB,ASTM A53B2) Size: From 4" to 36"3) OD From 114.3mm to 914mm3) Wall Thickness: SCH40 to ... "SCH20,30,40,60,STD,XS,80ASTMA106GR.BASTM A53GR.BEN10204/3.1B5.8m, 6m,5m to12m randomPipe Line8" to 24"SCH20 ...