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Industeel SIRIUS S12 20% Cr - 1.8% Si Heat Resistant Steel

Category Metal , Ferrous Metal , Austenitic , Stainless Steel , T 300 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 S12 20% Cr - 1.8% Si Heat Resistant Steel.pdf
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Material Notes:
Description: CLI SIRIUS S12 grade is an austenitic stainless steel containing 20% Cr, 1.8 % Si and 12% Ni. The low nickel content combined with high chromium and high silicon contents provide good resistance to high temperature oxidation, even in sulphur containing gases The structure stability of the grade is enhanced compared to other more alloyed heat resistant steels. The alloy is designed to resist in oxidizing atmospheres up to 1000°C (1832°F). In cyclic conditions, a maximum temperature of 950°C (1742°F) should be considered. The alloy performs much better than 304 H and 304 N grades.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 540 MPa
78300 psi
Typical after Solution Annealing
Tensile Strength, Yield 245 MPa

@Strain 0.200 %
35500 psi

@Strain 0.200 %
Typical after Solution Annealing
265 MPa

@Strain 1.00 %
38400 psi

@Strain 1.00 %
Typical after Solution Annealing
Elongation at Break 40 %
40 %
Typical
Creep Strength 140 MPa

@Temperature 600 °C,
Time 3.60e+6 sec
20300 psi

@Temperature 1110 °F,
Time 1000 hour
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 <= 0.10 %
<= 0.10 %
Chromium, Cr 20 %
20 %
Iron, Fe 66.1 - 66.2 %
66.1 - 66.2 %
As remainder
Nickel, Ni 12 %
12 %
Silicon, Si 1.8 %
1.8 %
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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