| Standard | Specifications | Applicable To |
| ASTM / ASME | A / SA 213 | For Seamless Tubes mainly applicable to Heat Exchangers, Super Heater & Steel Boilers |
| A / SA 249 | For Welded Tubes mainly applicable to Heat Exchangers, Boilers, Condenser, Super Heater, etc. | |
| A / SA 268 | For Seamless & Welded Tubes for General Services | |
| A / SA 269 | For Seamless & Welded Tubes for General Services | |
| A / SA 312 | For Seamless & Welded Pipes | |
| A / SA 358 | For Welded Pipes | |
| A / SA 688 | For Welded Water Heater & Heat Exchangers U-Tubes | |
| A / SA 789 | For Seamless & Welded Duplex Stainless Steel Tubes, Pipes & U-Tubes. | |
| GERMAN (EN) | DIN 17456 | For Seamless Tubes For General Services. |
| DIN 17457 | For Welded Tubes For Specific OR Special Requirements. | |
| DIN 10216-5 | For Seamless Tubes For Specific OR Special Requirements. | |
| DIN 10217-5 | For Welded Tubes For Specific OR Special Requirements. | |
| NF | NF A 49-117 | For Seamless Ferritic & Austenitic Stainless Steel Tubes for General Services. |
| NF A 49-217 | For Seamless Ferritic, Austenitic Stainless Steel Tubes For Heat Exchangers. | |
| JIS | JIS G 3459 | For Stainless Steel Pipes. |
| JIS G 3463 | For Stainless Steel Boiler & Heat Exchanger Tubes. |