ITEM | Standard Number | Descriptions |
1 | ASTM A193/A193M | Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications |
2 | SAE J 775 | Engine poppet valve information report |
Elements | Min.(≥) | Max.(≤) |
C | 0.36 | 0.44 |
Si | 0.15 | 0.35 |
P | 0.04 | |
S | 0.04 | |
Mn | 0.45 | 0.70 |
Cr | 0.75 | 1.20 |
Mo | 0.15 | 0.25 |
Cu | 0.25 |