United Kingdom · B.S.
L80 Type 9Cr
BS EN ISO 11960 — Petroleum and natural gas industries. Steel pipes for use as casing or tubing for wells
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.15 | |||
| Cr | 8 | 10 | ||
| Cu | 0.25 | |||
| Mn | 0.3 | 0.6 | ||
| Mo | 0.9 | 1.1 | ||
| Ni | 0.5 | |||
| P | 0.02 | |||
| S | 0.01 | |||
| Si | 1 |