This standard specifies the terms and definitions, types and codes, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of high-strength corrosion-resistant nickel-based pipe fittings (hereinafter referred to as pipe fittings). This standard applies to butt welded pipe fittings for corrosion-resistant pressure pipelines made of forged nickel-based alloy materials.
T/ZZB 1632-2020 history
2020T/ZZB 1632-2020 High strength & corrosion resistance nickel alloy fittings