... TP316L, TP321, TP317L, TP310S, TP347H Type: Seamless Steel Grade: 300 Series Certification: ISO Welding Line Type: ERW Thickness: 1mm-60mm Outer Diameter ... : 800 Metric Ton/Metric Tons per Da Usage:Line Pipe,Casing And Tubing,Fluid Pipe,Water Delievery,Heating ... Metallographic Examination Final Product Test:Hydraulic Test, On-line and off-line Ultrasonic Test,Tensile Test ,Yeild Strength,Elogation, ...