ITEM | Standard Number | Descriptions |
1 | EN 10222-2: 2000 | Steel forgings for pressure purposes. Ferritic and martensitic steels with specified elevated temperature properties |
2 | EN 10216-2: 2014 | Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties |
Elements | Min.(≥) | Max.(≤) |
C | 0.10 | 0.18 |
Si | 0.4 | |
Mn | 0.4 | 0.7 |
P | 0.025 | |
S | 0.015 | |
Cr | 0.3 | 0.6 |
Mo | 0.50 | 0.70 |
V | 0.22 | 0.28 |
Al | 0.02 | |
Sn | 0.025 |