The Brief Introduction of 1.4539 AISI904L
The element composition of special metal
| C (%) | ≤0.02 |
| Si (%) | ≤0.70 |
| Mn (%) | ≤2.00 |
| P (%) | ≤0.03 |
| S (%) | ≤0.01 |
| Cr (%) | 19.0-21.0 |
| Mo (%) | 4.00-5.00 |
| Ni (%) | 24.0-26.0 |
| N (%) | ≤0.15 |
| Cu (%) | 1.20-2.00 |
| Co (%) | |
| Fe (%) | |
| Ti (%) | |
| Al (%) | |
| Nb (%) | |
| V (%) | |
| B (%) | |
| W (%) |
Mechanical performance
| Hardness HB 30 ≤HB | 230 |
| 0.2% Yield Strength Rp≥N/mm² | 230 |
| Tensile strength Rm≥N/mm² | 530-730 |
| Enlong A5>=% | 35/30 |
| Modulus of elasticity kN/mm² | 195 |
| Reistant on air up to ℃ | |
| Density g/cm³ | 8 |
| Specific heat capacity J/kg K | 450 |
| Thermal conductivity W/m K | 12 |
| Electrical resistivity Ω mm²/m | 1 |