The Material of 1.4547/254 SMO
The element composition of special metal
C (%) | ≤0.020 |
Si (%) | ≤0.70 |
Mn (%) | ≤1.00 |
P (%) | ≤0.030 |
S (%) | ≤0.010 |
Cr (%) | 19.5-21.5 |
Mo (%) | 6.00-7.00 |
Ni (%) | 17.5-18.5 |
N (%) | 0.18-0.25 |
Cu (%) | 0.50-1.00 |
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>=% | 35 |
Modulus of elasticity kN/mm² | 200 |
Reistant on air up to ℃ | |
Density g/cm³ | 8 |
Specific heat capacity J/kg K | 500 |
Thermal conductivity W/m K | 13 |
Electrical resistivity Ω mm²/m | 0.85 |