ATI Allegheny Ludlum 310S Austenitic Stainless Steel

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ATI Allegheny Ludlum 310S Austenitic Stainless Steel
Categories:	Metal; Ferrous Metal; Stainless Steel; T 300 Series Stainless Steel
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
Key Words:	UNS S31008
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Physical Properties	Original Value	Comments

Density	8.03 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	624 MPa	ASTM E8
	44.0 MPa @Temperature 1093 °C	ASTM E8
	81.0 MPa @Temperature 982 °C	ASTM E8
	155 MPa @Temperature 871 °C	ASTM E8
	393 MPa @Temperature 649 °C	ASTM E8
	484 MPa @Temperature 538 °C	ASTM E8
	508 MPa @Temperature 427 °C	ASTM E8
	533 MPa @Temperature 204 °C	ASTM E8
Tensile Strength, Yield	27.0 MPa @Temperature 1093 °C	ASTM E8
	56.0 MPa @Temperature 982 °C	ASTM E8
	111 MPa @Temperature 871 °C	ASTM E8
	178 MPa @Temperature 649 °C	ASTM E8
	203 MPa @Temperature 538 °C	ASTM E8
	209 MPa @Temperature 427 °C	ASTM E8
	254 MPa @Temperature 204 °C	ASTM E8
	314 MPa @Strain 0.2 %	ASTM E8
Elongation at Break	42.6 %	ASTM E8
	32 % @Temperature 649 °C	ASTM E8
	33.5 % @Temperature 427 °C	ASTM E8
	35.8 % @Temperature 204 °C	ASTM E8
	37 % @Temperature 538 °C	ASTM E8
	56.5 % @Temperature 871 °C	ASTM E8
	93.3 % @Temperature 982 °C	ASTM E8
	121 % @Temperature 1093 °C	ASTM E8
Creep Strength	20.0 MPa @Temperature 788 °C, Time 3.60e+7 sec	1% creep
	138 MPa @Temperature 593 °C, Time 3.60e+7 sec	1% creep
Rupture Strength	20.0 MPa @Temperature 899 °C, Time 3.60e+7 sec
	138 MPa @Temperature 593 °C, Time 3.60e+7 sec
Modulus of Elasticity	200 GPa
Poissons Ratio	0.30	calculated
Shear Modulus	77.0 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000780 ohm-cm @Temperature 20.0 °C
Magnetic Permeability	1.02	at 200H

Thermal Properties	Original Value	Comments
CTE, linear	15.9 µm/m-°C @Temperature 20.0 - 100 °C
	17.1 µm/m-°C @Temperature 20.0 - 500 °C
	18.9 µm/m-°C @Temperature 20.0 - 1000 °C
Specific Heat Capacity	0.502 J/g-°C @Temperature 0.000 - 100 °C
Thermal Conductivity	13.8 W/m-K @Temperature 20.0 - 100 °C
	18.7 W/m-K @Temperature 20.0 - 500 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.080 %
Chromium, Cr	24 - 26 %
Iron, Fe	48.345 - 53.345 %	As Remainder
Manganese, Mn	2.0 %
Nickel, Ni	19 - 22 %
Phosphorus, P	0.045 %
Silicon, Si	1.5 %
Sulfur, S	0.030 %

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NL1005 / 17773

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