Model Number: OD:Seamless:168.3-409.4mm Brand Name: WXT Key Specifications/Special Features: Usage: tubing is used to extracting petroleum and natural gas from a well. Casing serves as wells of a well.Manufacture type: seamless steel pipe, welding steel pipeOD: seamless: 168.3-409.4mmLength range: R1, R2, R3Certification: API 5CT, GOST, ISO9001, ISO14001, OHSMS18000Material: H40, M65, J55, K55, N80, L80, L90, C90, T95, P110, Q125, V150Surface treatment: fusion bond epoxy coating, coal tar epoxy, 3PE, vanish coating, bitumen coating, black oil coating as per customer’s requirement.Testing: chemical component analysis, mechanical properties (ultimate tensile strength, yield strength, elongation), technical properties (flattening test, bending test, blow test, impact test), exterior size inspection, hydrostatic test, x-ray test.Testing report: SGS, BV 3rd party testing report is available.Application: oil & gas, petrochemical