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 ≤HB250
0.2% Yield Strength Rp≥N/mm²300
Tensile strength Rm≥N/mm²650-850
Enlong A5>=%35
Modulus of elasticity kN/mm²200
Reistant on air up to ℃
Density g/cm³8
Specific heat capacity J/kg K500
Thermal conductivity W/m K13
Electrical resistivity Ω mm²/m0.85




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