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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