A selecion of relevant standards:
| DIN 2641 | Lapped flanges; nominal pressure 6 | 
| DIN 2642 | Lapped flanges; nominal pressure 10 | 
| DIN 11850 | Tubes for the food, chemical and pharmaceutical industry - Stainless steel tubes - Dimensions, materials | 
| DIN 11865 | Stainless steel fittings for aseptic, chemical and pharmaceutical industries - Tees, bends, reducers for welding on | 
| DIN 28011 | Torispherical heads | 
| DIN 28013 | Ellipsoidal heads | 
| EN 287-1 | Qualification test of welders - Fusion welding - Part 1: Steels | 
| EN 1092-1 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges | 
| EN 10253-4 | Butt-welding pipe fittings – Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements (replaces DIN 2617) | 
| AD 2000 | Safety devices against excess pressure - Bursting safety devices | 
| AD 2000 W 0 | General principles for materials | 
| AD 2000 W 2 | Austenitic and austenitic-ferritic steels | 
| AD 2000 W 10 | Materials for low temperatures - Ferrous materials | 
| AD 2000 HP 0 | General principles of design, manufacture and associated tests | 
| AD 2000 HP 3 | Welding supervisors, welder | 
| AD 2000 HP 7/3 | Heat treatment - Austenitic steels | 
| AD 2000 HP 8/1 | Testing of pressings made from steel, aluminium and aluminium alloys | 
