O.D: DN15-DN600 (1/2â-24â) W.T: SCH10- XXS (2.11-60mm)Standards: ASTM A213,A335,A519,DIN17175,DIN1629,DIN2448 Grade: T1,T5, T9, T11, T12, T22, P1, P5, P9, P11, P12, P22,,15Mo3, 13CrMo44, 10CrMo910, 12Cr1MoV, 25CrMo4, 42CrMo4, 34CrMo4 Manufacture method: Seamless pipe (Hot rolled, hot expended, cold drawn, cold rolled)Surface: oiled or vanish coated Delivery Condition: NBK(normalizing), GBK(annealing), BKS(stress-relieving), BKW, BK, N+T,Q+TMarking: As per standard & customer's requirements Packing: Caps on two ends of every pipe to protect the end bevel, In hexagonal shape bundles wrapped with strong steel trip 2MT/bundle for size below DN200/8â, bare packing for DN200/8â and above .Application: Oil and gas industry, chemical industry, boiler, heat exchanger, supper heater, automobile, motorcycle, mechanic, pressure vessel