: High emphasis is placed on the competence of welding personnel and the use of verified Welding Procedure Specifications (WPS). It includes limits for Post-Weld Heat Treatment (PWHT) temperatures, typically capping them at 770°C for certain materials.
: Verify material markings and welder certifications. 13480-4 pdf
EN 13480-4 applies specifically to the of metallic industrial piping. It works in conjunction with other parts of the EN 13480 series, most notably Part 3, which focuses on design. The standard covers: : High emphasis is placed on the competence