Special Metals INCOLOY® Alloy DS

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Special Metals INCOLOY® Alloy DS
Categories:	Metal; Superalloy; Iron Base
Material Notes:	A nickel-iron-chromium alloy with an addition of silicon. It has good high-temperature strength and excellent resistance to oxidation and carburization. The silicon content makes the alloy resistant to internal oxidation in high-temperature atmospheres that vary between oxidizing and reducing. Used in industrial furnaces and for heat-treating baskets, trays, and fixtures. Standard product forms are round, plate, sheet, strip, tube, pipe, and wire. Data provided by the manufacturer, Special Metals.
Key Words:	BS 3072 - 3076 (NA17)
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	7.86 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	500 MPa @Temperature 425 °C	Solution Annealed prior to test
	580 MPa @Temperature 23.0 °C
Tensile Strength, Yield	215 MPa @Strain 0.2 %	Precipitation Hardened. Value at room temperature
	120 MPa @Strain 0.2 %, Temperature 425 °C	Precipitation Hardened prior to test
Elongation at Break	60 %	Solution Annealed
	64 % @Temperature 425 °C	Solution Annealed prior to test.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000108 ohm-cm
Magnetic Permeability	1.038	at 200 Oersted (15.9 kA/m)

Thermal Properties	Original Value	Comments
CTE, linear	15.0 µm/m-°C @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.452 J/g-°C
Thermal Conductivity	12.0 W/m-K
Melting Point	1330 - 1400 °C
Solidus	1330 °C
Liquidus	1400 °C

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.10 %
Chromium, Cr	17 - 19 %
Copper, Cu	<= 0.50 %
Iron, Fe	40 %	As remainder
Manganese, Mn	0.80 - 1.5 %
Nickel, Ni	34.5 - 41 %	Including Cobalt
Silicon, Si	1.9 - 2.6 %
Sulfur, S	<= 0.030 %
Titanium, Ti	<= 0.20 %

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NINC89 / 17432

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