carbon steel pipe Certificates: API, ISO9001 OD:1/2inch-30inch W.T.:2MM-60MM. Material: 20#,45#,Q345B, Q235B,ST37 ST42. carbon steel pipeYineng GroupCompany informationCompany nameYINENG GROUPBusiness typeManufacturerProductsHigh pressure fittings, pipes.Contact0086-531-88010991 0086-15098768669SpecificationOutside DiameterWall Thickness21.3mm-750mm1/2’’-30’’3mm-60mmSch10-XXSMaterials and ...