Carpenter Gall-Tough PLUS™ Stainless, Annealed, 20% Cold Work

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Carpenter Gall-Tough PLUS™ Stainless, Annealed, 20% Cold Work
Categories:	Metal; Ferrous Metal; Stainless Steel
Material Notes:	Data provided by Carpenter Technology Corporation. Annealed 1150°C, water quenched, and cold drawn. Threshold Galling Stress 48 MPa. The avg. total volume loss on the wear test is 10.6 mm³ at 100 rpm. Gall-Tough PLUS™ stainless is a high silicon, high manganese, nitrogen strengthened, austenitic stainless alloy which exhibits superior self-mated galling resistance and metal-to-metal wear resistance. The alloy possesses higher strength than Type 316. It also exhibits chloride corrosion resistance equal to or better then Type 316, along with equivalent high temperature oxidation resistance. Gall-Tough PLUS™ is a trademark of Carpenter Technology Corporation.
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Physical Properties	Original Value	Comments

Density	7.60 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	972 MPa
	1241 MPa @Temperature -73.0 °C
Tensile Strength, Yield	675 MPa @Strain 0.2 %
	834 MPa @Strain 0.2 %, Temperature -73.0 °C
Elongation at Break	34 %	in 4D
	38 % @Temperature -73.0 °C	in 4D
Reduction of Area	67 %
	66 % @Temperature -73.0 °C
Modulus of Elasticity	184.9 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000947 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	14.19 µm/m-°C @Temperature 25.0 - 50.0 °C
	17.1 µm/m-°C @Temperature 25.0 - 250 °C
	18.07 µm/m-°C @Temperature 25.0 - 500 °C
Specific Heat Capacity	0.5055 J/g-°C @Temperature 50.0 - 100 °C
Thermal Conductivity	12.0 W/m-K
Maximum Service Temperature, Air	982 °C	Scaling Temperature for Continuous Service

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.15 %
Chromium, Cr	16.5 - 21 %
Iron, Fe	62 %	as remainder
Manganese, Mn	4.0 - 8.0 %
Molybdenum, Mo	0.50 - 2.5 %
Nickel, Ni	6.0 - 10 %
Nitrogen, N	0.050 - 0.35 %
Phosphorus, P	<= 0.040 %
Silicon, Si	2.5 - 4.5 %
Sulfur, S	<= 0.040 %

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NCAR16 / 15592

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