The element composition of special metal
| C (%) | 0.02 |
| Si (%) | 0.50 |
| Mn (%) | 1.00 |
| P (%) | 0.03 |
| S (%) | 0.01 |
| Cr (%) | 19.0-21.0 |
| Mo (%) | 6.00-7.00 |
| Ni (%) | 24.0-26.0 |
| N (%) | 0.15-0.25 |
| Cu (%) | 0.50-1.50 |
| Co (%) | |
| Fe (%) | |
| Ti (%) | |
| Al (%) | |
| Nb (%) | |
| V (%) | |
| B (%) | |
| W (%) |
Mechanical performance
| Hardness HB 30 ≤HB | 250 |
| 0.2% Yield Strength Rp≥N/mm² | 300 |
| Tensile strength Rm≥N/mm² | 650-850 |
| Enlong A5>=% | 40 / 35 |
| Modulus of elasticity kN/mm² | 195 |
| Reistant on air up to ℃ | |
| Density g/cm³ | 8.1 |
| Specific heat capacity J/kg K | 450 |
| Thermal conductivity W/m K | 12 |
| Electrical resistivity Ω mm²/m | 1 |
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