... ,SCH140,SCH160,XXSLengthFixed: 3.0 , 5.8 , 5.85 , 5.9 , 6.0 ,11.8 , 12.0m. Unfixed: 5-12mStandardASTM A53,A106,API 5L,ASME ... 2.production process:3.Export Packing Details:4.Our Warehouse: 5 .Delivering & Transportation 6 .Product Application: 7.Our Market : 8.Transcation ...