China API 5L steel tubes

China API 5L steel tubes I'm Sophia from China. My Skype:sophia.liu.hj Product specifications Out Diameter:21.3mm - 610mm Wall Thickness:1.8 - 22mm Length:0.3 – 12m Steel Grade:API 5L : GR B, X42, X46, X56, X60, X65, X70 API 5CT: K55, J55 ASTM A53: GR A, GR B EN: S275, S275JR, S355JRH, S355J2H GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555 Surface:Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer