Approval of welding procedures for steel, aluminium and aluminium alloys, and high-density polyethylene (HDPE)

PT CR 7-2025 – APPROVAL OF WELDING PROCEDURES FOR STEEL, ALUMINIUM, ALUMINIUM ALLOYS AND HIGH-DENSITY POLYETHYLENE (PEHD)

This technical specification sets out the requirements for the approval of welding procedures for steel, aluminium and aluminium alloys, to be used in the assembly, installation and repair of pressure equipment and lifting equipment subject to ISCIR supervision and technical inspection, as well as the requirements for the approval of welding procedures for high-density polyethylene (HDPE) pipes and fittings to be used in the assembly and repair of piping systems for the transport of fluids.