NORMAL
I ICH DESCRIPTION
| DIN (German Industrial Standard) | |
| DIN 17455 | Unannealed round stainless steel tubes for general purposes |
| DIN 17456 | Seamless stainless steel tubes for general purposes |
| DIN 17457 | Welded circular steel tubes of austenitic stainless steel for specific applications |
| DIN 17458 | Seamless austenitic stainless steel tubes for specific applications |
| DIN 2353 | Pipes and threaded fittings with cutting rings |
| DIN 2642 | Tolerances for seamless stainless steel tubes |
| DIN 2643 | Tolerances for welded stainless steel tubes |
| BS EN 1092-1 | PN6 Blind Flanges |
| DIN 2576 | Flat welding neck flanges PN10 |
| BS EN 10253-1 | Kneecap |
| DIN 2615 | Tees |
| DIN 2616 | Reductions |
| DIN 2617 | Blinds (end caps) |
| DIN 2642 | Loose flanges and collars PN10 |
| ISO (International Organisation for Standardisation) | |
| ISO 1127 | Dimensions, tolerances and weights of stainless steel pipes |
| ASTM (American Society for Testing and Materials) ASME (American Society of Mechanical Engineers) | |
| ASTM/ASME A 182 | Stainless steel forged fittings, flanges and valves |
| ASTM/ASME A 213 | Seamless stainless steel tubes for heat exchangers, steam generators and evaporators |
| ASTM/ASME A 269 | Stainless steel welded and seamless pipes, including tight tolerances – for general use |
| ASTM/ASME A 403 | Stainless steel fittings |
| ASTM/ASME A 409 | Large-diameter stainless steel welded pipes for corrosive or heat-resistant industries |
| ASTM/ASME A 450 | General standard for pipes made of carbon, ferritic, and austenitic steel alloys |
| ASTM/ASME A 473 | Stainless steel and heat-resistant forgings |
| ANSI (American National Standards Institute) | |
| ASME B 16.5 | Stainless steel flanges according to ASTM |
| ASME B16.9 | Stainless steel fittings to ASTM |
| ASME B 16.11 | Forged stainless steel fittings, plain or threaded, to ASTM standards |