Nickel materials are widely used in fields such as petrochemicals, aerospace, marine equipment, and nuclear industry. Its resistance to alkaline corrosion is second only to silver in metallic materials.
Executive standards for nickel pipes: National standard: GB/T2882-2005, American standard: ASTM B163 ASTM B165
Nickel tube production grade:
National standards: N4, N5, N6, N7
American standards: N02200, N02201, NCu28-2.5-1.5, NCu40-2-1