S.S.Seamless Tube A312 1)Length: 4000mm-11800mm 2)Standards: GB, ASTM, JIS, ... DIN 3)Delivery conditions: annealed, Pickled S.S.Seamless Tube A312Corrosion-resisting and low-or high-temperature service1.Standard: TP304 ... . 1040 degrees4.Inspection: products analysis Mechanical tests, hydrostatic or nondestructive test, hardness test5.Packing: plastic wrapper, wooden case6.marks:JIANGNAN-OD ...