T/CPI 11033-2024 Thick steel plate super-large diameter butt welding pipe fittings
T/CPI 11033-2024 Thick steel plate super-large diameter butt welding pipe fittings
Basic Information
Scope
Scope: This document specifies the types and designations of steel-made extra-large diameter welded pipe fittings, pressure design, dimensions, materials, manufacturing and heat treatment, inspection and testing, design verification tests, product quality certificates, marking, protection, and packaging. This document is applicable to the manufacture and acceptance of steel-made welded tees, elbows, reducers, and pipe caps with a nominal diameter of DN1600 to DN4000. Main technical content: This document specifies the types and designations of steel-made extra-large diameter welded pipe fittings, pressure design, dimensions, materials, manufacturing and heat treatment, inspection and testing, design verification tests, product quality certificates, marking, protection, and packaging. This document is applicable to the manufacture and acceptance of steel-made welded tees, elbows, reducers, and pipe caps with a nominal diameter of DN1600 to DN4000.