Item
|
Standard
|
Melting Temperature
|
1425-1510°C
|
Module of Elasticity at 876°C (GPa)
|
96.5
|
Tensile strength at 870°C (Mpa)
|
52.7
|
Coefficient of thermal expansion at 870°C (10-6/°C)
|
13.14
|
Heat-conductibility at 500°C (W/m.k)
|
24.4
|
Proportion at room temp. (g/cm3)
|
7.5
|
Weight loss after circular oxidation about 1000 hours at 952 °C (%)
|
4
|
Erosion in the H2S (mil/yr)
|
100
|
Max working temp. in the SO2 (°C)
|
1025
|
Erosion in the natural gas at 815°C (mil/yr)
|
4
|
Chemical Composition (%)
|
C
|
0.30
|
P
|
0.045
|
Mn
|
1.50
|
Si
|
1.50
|
Cr
|
23-26
|