Special Metals INCOLOY® Alloy 020

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Special Metals INCOLOY® Alloy 020
Categories:	Metal; Superalloy; Iron Base
Material Notes:	A nickel-iron-chromium alloy with additions of copper and molybdenum. It also contains niobium for stabilization against sensitization and resultant intergranular corrosion. The alloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. Used for tanks, piping, heat exchangers, pumps, valves, and other process equipment. Standard product forms are round, flats, pipe, tube, plate, sheet, strip, and wire. Data provided by the manufacturer, Special Metals.
Key Words:	ASME SB-462 - SB-464, SB-468, Boiler Code Sections III, VIII, IX, UNS N08020; ASTM B 462 - B 464, B 468, B 472 - B 474, B 751
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	8.05 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	620 MPa	Annealed prior to test
	540 MPa @Temperature 550 °C	Annealed prior to test
Tensile Strength, Yield	300 MPa @Strain 0.2 %	Annealed prior to test
	210 MPa @Strain 0.2 %, Temperature 550 °C	Annealed prior to test
Elongation at Break	41 %	Annealed prior to test.
	40 % @Temperature 550 °C	Annealed prior to test.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000108 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	14.7 µm/m-°C @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.500 J/g-°C
Thermal Conductivity	12.3 W/m-K

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.070 %
Chromium, Cr	19 - 21 %
Copper, Cu	3.0 - 4.0 %
Iron, Fe	35 %	As remainder
Manganese, Mn	<= 2.0 %
Molybdenum, Mo	2.0 - 3.0 %
Nickel, Ni	32 - 38 %
Niobium, Nb (Columbium, Cb)	<= 1.0 %	Nb min. is 8xC.
Phosphorus, P	<= 0.045 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.035 %

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NIND01 / 17518

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