ASTM A53 STEEL PIPEChangzhou Hongtai Precision Steel Pipe Co.,Ltd specializes in international trading of steel pipes, it is located in Changzhou City, Jiangsu Province, about half an hour to drive car or take CRH to Shanghai. We are primary agent of Linzhou Fenbao Co.,Baogang group and TCPO, which is pride of their quality in China. You are welcome to visit and inspect our factories.CommodityCold/Hot rolled seamless tubesStandardASTM A 53Material20# SteelGradeGR.AGR.BChemical CompositionC%Mn%S%P%0.17-0.230.35-0.650.0350.035Mechanical PropertiesYield StrengthTensile Strength       WT 16mm 245;               WT＞16mm-30mm235;   WT＞30mm225.410Outer Diameterfrom 3/8" to 24"Wall ThicknessAs per customer's requirementLengthAs per customer's requirementProcess flowPipe billets Heating Piercing   Acid picking, saponifying, parkerising   cold drawing, cold rolling  heat treatment   Straightening   cutting   Inspecting   packagingDelivery TimeLess than 40 daysPayment Term100% L/C at sight or 30% deposit, 70% balance against copy of B/L