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ATI Allegheny Ludlum 309Si Austenitic Stainless Steel

Category Metal , Ferrous Metal , Stainless Steel , T 300 Series Stainless Steel
Manufacturer ATI Allegheny Ludlum
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ATI Allegheny Ludlum 309Si Austenitic Stainless Steel.pdf
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Material Notes:
Characteristics: comparable corrosion resistance, superior resistance to oxidation, and the retention of a larger fraction of room temperature strength than common austenitic alloys. Good creep deformation resistance.Applications:Heat treatment industry-conveyor belts, rollers, burner parts, refractory supports, retorts linings, oven linings, fans, tube hangers, baskets, and trays. Chemical process industry- containers for hot concentrated acids, ammonia, and sulfur dioxide. Food processing industry- used in contact with hot acetic and citric acid.Information provided by Allegheny Ludlum
Physical Properties Metric English Comments
Density 8.03 g/cc
0.290 lb/in³
Mechanical Properties Metric English Comments
Creep Strength 24.0 MPa

@Temperature 788 °C,
Time 3.60e+7 sec
3480 psi

@Temperature 1450 °F,
Time 10000 hour
1% creep
83.0 MPa

@Temperature 593 °C,
Time 3.60e+7 sec
12000 psi

@Temperature 1100 °F,
Time 10000 hour
1% creep
Rupture Strength 17.0 MPa

@Temperature 899 °C,
Time 3.60e+7 sec
2470 psi

@Temperature 1650 °F,
Time 10000 hour
83.0 MPa

@Temperature 677 °C,
Time 3.60e+7 sec
12000 psi

@Temperature 1250 °F,
Time 10000 hour
Modulus of Elasticity 200 GPa
29000 ksi
Poissons Ratio 0.30
0.30
calculated
Shear Modulus 77.0 GPa
11200 ksi
Thermal Properties Metric English Comments
CTE, linear 15.6 µm/m-°C

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

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

@Temperature 20.0 - 500 °C
9.78 µin/in-°F

@Temperature 68.0 - 932 °F
19.4 µm/m-°C

@Temperature 20.0 - 1000 °C
10.8 µin/in-°F

@Temperature 68.0 - 1830 °F
Specific Heat Capacity 0.502 J/g-°C

@Temperature 0.000 - 100 °C
0.120 BTU/lb-°F

@Temperature 32.0 - 212 °F
Thermal Conductivity 15.6 W/m-K

@Temperature 20.0 - 100 °C
108 BTU-in/hr-ft²-°F

@Temperature 68.0 - 212 °F
18.7 W/m-K

@Temperature 20.0 - 500 °C
130 BTU-in/hr-ft²-°F

@Temperature 68.0 - 932 °F
Component Elements Properties Metric English Comments
Carbon, C 0.20 %
0.20 %
Chromium, Cr 19 - 21 %
19 - 21 %
Iron, Fe 61.13 - 66.13 %
61.13 - 66.13 %
As Remainder
Manganese, Mn 2.0 %
2.0 %
Nickel, Ni 11 - 13 %
11 - 13 %
Nitrogen, N 0.11 %
0.11 %
Phosphorous, P 0.045 %
0.045 %
Silicon, Si 1.5 - 2.5 %
1.5 - 2.5 %
Sulfur, S 0.015 %
0.015 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000780 ohm-cm

@Temperature 20.0 °C
0.0000780 ohm-cm

@Temperature 68.0 °F
0.0001148 ohm-cm

@Temperature 1200 °C
0.0001148 ohm-cm

@Temperature 2190 °F
Magnetic Permeability 1.02
1.02
at 200H
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