| (A) ASTM/ASME - Standards | |||
| A | 213 / SA 213 | Seamless ferritic and austenitic alloy steel boiler, super heater and heat Exchanger Tubes | |
| A | 249 / SA 249 | Welded austenitic steel boiler, Super Heater, Heat Exchanger and Condenser Tubes | |
| A | 268 / SA 268 | Seamless and Welded ferritic and martensitic stainless steel tubing for general service | |
| A | 269 / SA 269 | Seamless and Welded austenitic stainless steel tubing for general service | |
| A | 312 / SA 312 | Seamless and Welded austenitic stainless steel pipes | |
| A | 358 / SA 358 | Welded pipe for high temperature service | |
| A | 688 / SA 688 | Welded feed water heater ‘U’ Tubes | |
| (C) German - Standards | |||
| DIN | 17455 | Welded general purpose piping | |
| DIN | 17456 | Seamless circular austenitic stainless steel for general service | |
| DIN | 17457 | Welded circular austenitic stainless steel tubes subject to special requirement | |
| DIN | 17458 | Seamless circular austenitic stainless steel tubes subject to special requirement | |
| DIN | 28180 | Seamless steel tubes for heat exchanger | |
| (D) NF - Standards (AFNOR Standard) | |||
| NF | A | 49-117 | Seamless ferritic and austenitic stainless steel tubes for general services |
| NF | A | 49-217 | Seamless ferritic, austenitic and ferritc-austenitic stainless steel tubes for heat exchanger |
| (F) JIS - Standards | |||
| JIS | G | 3459 | Seamless steel pipes. |
| JIS | G | 3463 | Stainless steel boiler and heat exchanger tubes |