Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
Non-Alloy steel tubes suitable for welding and threading - Technical delivery conditions
Welded fittings for the food and chemical industries - Tees, bends and reducers for welding
Welding consumables - Quality requirements for manufacture, supply and distribution of consumables for welding and allied processes
Industrial valves - Butt welding ends for steel valves
Gas infrastructure - Welding steel pipework - Functional requirements
Industrial valves - Socket welding ends for steel valves
Industrial valves - End-to-end and centre-to-end dimensions for butt welding end valves
Plastics welding personnel - Qualification of welders - Thermoplastics welded assemblies
Gas welding equipment - Small kits for gas brazing and welding
Gas welding equipment - Thermoplastic hoses for welding and allied processes
53,361 distinct reference strings indexed from official source snapshots accessed on 19 October 2026. Includes earlier editions. The index and publisher collections have different coverage. See sources and coverage.