| Black and Hot-Dipped Zinc-Coated Seamless Steel Pipes | ASTM A53 | Ø10.3~1200 x WT1.0~150 | Gr.A, Gr.B, Gr.C |
| Seamless Carbon Steel Pipes for High Temperature Service | ASTM A106 | Ø10.3~1200 x WT1.0~150 | Gr.B, Gr.C |
| Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes | ASTM A179 | Ø10.3~426 x WT1.0~36 | Low Carbon Steel |
| Seamless Carbon Steel Boiler Tubes for High Pressure | ASTM A192 | Ø10.3~426 x WT1.0~36 | Low Carbon Steel |
| Seamless Cold-Drawn Intermediate Alloy Steel Heat-Exchanger and Condenser Tubes | ASTM A199 | Ø10.3~426 x 1.0~36 | T5, T22 |
| Seamless Medium-Carbon Steel Boiler and Superheater Tubes | ASTM A210 | Ø10.3~426 x WT1.0~36 | A1, C |
| Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes | ASTM A213 | Ø10.3~426 x WT1.0~36 | T5, T9, T11, T12, T22, T91 |
| Seamless Carbon and Alloy Steel for Mechanical Tubing | ASTM A333 | Ø1/4"~42" x WT SCH20~XXS | Gr.1, Gr.3, Gr.6 |
| Seamless and Welded Carbon Steel Pipes and Alloy Steel Pipes for Low Temperature Use | ASTM A334 | Ø1/4"~4" x WT SCH20~SCH80 | Gr.1, Gr.6 |
| Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes | ASTM A556 | Ø10.3~426 x WT1.0~36 | A2, B2 |
