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Industeel SIRIUS S15 Rare Earth Containing Heat Resistant Steel

Category Metal , Ferrous Metal , Austenitic , Stainless Steel , T S30000 Series Stainless Steel
Manufacturer Groupe Arcelor
Trade Name SIRIUS
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Industeel SIRIUS S15 Rare Earth Containing Heat Resistant Steel.pdf
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Material Notes:
CLI SIRIUS S15 grade is a fully austenitic stainless steel containing 21 Cr, 1.7 Si, 0.17 N and Rare Earth elements (Cerium, Lanthanum,...etc) which make the alloy particularly well designed for high temperature applications. The nitrogen additions stabilize the austenitic microstructure, particularly at high temperatures. The alloy is less susceptible to embrittlement effects occurring after long term exposure. Creep properties are enhanced, due to high Chromium and Nitrogen. Rare Earth elements (Ce, La,...) are added in order to anchor the oxide protective film and improve the resistance of the steel to oxide spalling. As a result, the alloy is much more resistant to high temperature thermal cycling effects in oxidizing atmospheres compared to 310. CLI SIRIUS S15 grade may be used up to 1100°C (2012°F in oxidizing environments. Thermal cycling effects, sulphur containing atmospheres and low oxygen contents reduce the high temperature resistance of the steel.>Information provided by manufacturer.
Physical Properties Metric English Comments
Density 7.90 g/cc
0.285 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 680 MPa
98600 psi
Typical after Solution Annealing
Tensile Strength, Yield 350 MPa

@Strain 0.200 %
50800 psi

@Strain 0.200 %
Typical after Solution Annealing
370 MPa

@Strain 1.00 %
53700 psi

@Strain 1.00 %
Typical after Solution Annealing
Elongation at Break 40 %
40 %
Typical
Creep Strength 200 MPa

@Temperature 600 °C,
Time 3.60e+6 sec
29000 psi

@Temperature 1110 °F,
Time 1000 hour
1% Creep Strain
Modulus of Elasticity 200 GPa
29000 ksi
Poissons Ratio 0.333
0.333
Calculated
Shear Modulus 75.0 GPa

@Temperature 20.0 °C
10900 ksi

@Temperature 68.0 °F
Thermal Properties Metric English Comments
CTE, linear 16.0 µm/m-°C

@Temperature 20.0 - 100 °C
8.89 µin/in-°F

@Temperature 68.0 - 212 °F
17.0 µm/m-°C

@Temperature 20.0 - 200 °C
9.44 µin/in-°F

@Temperature 68.0 - 392 °F
18.0 µm/m-°C

@Temperature 20.0 - 400 °C
10.0 µin/in-°F

@Temperature 68.0 - 752 °F
18.5 µm/m-°C

@Temperature 20.0 - 600 °C
10.3 µin/in-°F

@Temperature 68.0 - 1110 °F
Specific Heat Capacity 0.500 J/g-°C

@Temperature 20.0 °C
0.120 BTU/lb-°F

@Temperature 68.0 °F
Thermal Conductivity 15.0 W/m-K

@Temperature 20.0 °C
104 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
Component Elements Properties Metric English Comments
Carbon, C 0.080 %
0.080 %
Chromium, Cr 21 %
21 %
Iron, Fe 66.01 %
66.01 %
As remainder
Nickel, Ni 11 %
11 %
Nitrogen, N 0.17 %
0.17 %
Rare Earths 0.040 %
0.040 %
Silicon, Si 1.7 %
1.7 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000900 ohm-cm

@Temperature 20.0 °C
0.0000900 ohm-cm

@Temperature 68.0 °F
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