| Size: OD13.7-114.3mm |
| WT0.9-16.5mm |
| Length22000mm Max. |
| |
| Description: |
| 1. Tubes are made by the seamless process and are cold finished. |
| 2. Cold finished tubes are heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher. |
| 3. Finished tubes are free of scale. |
| Chemical composition |
|
Mechanical properties |
| C: |
0.06-0.18% |
Tensile strength: |
327MPa Min. |
| Mn: |
0.27-0.63% |
Yield strength: |
182MPa Min. |
| P: |
0.035% Max. |
Elongation (in 50mm): |
37% Min. |
| S: |
0.035% Max. |
|
| Si: |
0.25% Max. |
|
