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
Price	EMAIL US sales@lookpolymers.com
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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
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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