| ASTM A 53 / SA 53 | Seamless Carbon Steel Pipes for Mechanical & Pressure application & also for ordinary use in Steam, Water, Gas, Airlines. |
| ASTM A 106 / SA 106 | Seamless Carbon Steel Pipes for High - Temperature Service. |
| ASTM A 179 / SA 179 | Seamless Cold-Drawn Low - Carbon Steel Tubes for Heat-Exchanger and Condenser. |
| ASTM A 192 / SA 192 | Seamless Carbon Steel Boiler Tubes for High-Pressure Service. |
| ASTM A 210 / SA 210 | Seamless Medium-Carbon Steel Tubes for Boiler and Superheater |
| ASTM A 333 / SA 333 | Seamless Carbon and Alloy Steel Pipes for Low-Temperature Service. |
| ASTM A 334 / SA 334 | Seamless Carbon and Alloy Steel Tubes for Low-Temperature Service. |
| ASTM A 822 | Seamless Cold-Drawn Carbon Steel Tubing for Hydraulic System Service. |
| BS 980 | Seamless Steel Tubes for Automobile Purposes. |
| BS 3059 PART-I | Seamless Low Tensile Carbon Steel Tubes for Boiler and Superheater. |
| BS 3059 PART-II | Seamless Carbon Steel / Alloy Steel Tubes for Boiler and Superheater. |
| BS 3602 | Seamless Carbon Steel Pipes and Tubes for Pressure Purposes. |
| BS 6323 PART4 | Seamless Steel Tubes for Automobile, Mechanical & General Engineering Purposes. |
| DIN 2391 | Seamless Precision Steel Tubes for Mechanical and Automotive Engineering. |
| DIN 17175 | Seamless Tubes of Heat resistant Steels used in Boilers, Pressure Vessels & Equipment for service upto 600° C and at High Pressures. |
| IS : 1239 | Mild Steel Tubes for use in Water, Gas, Airlines & Steam. |
| IS : 3074 | Seamless Steel Tubes for Automotive Purposes. |
| IS : 3601 | Seamless Steel Tubes for Mechanical and General Engineering Purposes. |
| IS : 4923 | Seamless Cold Formed Square Hollow Steel sections for structural use. |
| DIN EN 10216-2 | Seamless Non - Alloy & Alloy Steel Tubes for Pressure Purposes. |
| DIN EN 10297-1 | Seamless Non - Alloy & Alloy Steel Tubes for Mechanical & General Engineering Purposes. |
| DIN EN 10305-1 | Seamless Steel Tubes for Precision Applications. |
