Haynes 188 alloy, 20% cold reduction, 3.2 mm thick sheet, 1120°C for 5 minutes

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Haynes 188 alloy, 20% cold reduction, 3.2 mm thick sheet, 1120°C for 5 minutes
Categories:	Metal; Nonferrous Metal; Cobalt Alloy; Superalloy
Material Notes:	Excellent high temperature strength and very good resistance to oxidizing environments up to 1095°C for prolonged exposure, and excellent resistance to sulfate deposit hot corrosion. Readily fabricated and formed, excellent resistance to molten chloride salts, and good resistance to gaseous sulfidation. Applications include a variety of fabricated component applications in the aerospace industry, commercial gas turbine engines for combustion cans, transition ducts and afterburner components. Data provided by the manufacturer, Haynes International, Inc.
Key Words:	UNS R30188, AMS 5608, AMS 5772, AMS 5801
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	8.98 g/cc	at RT.

Mechanical Properties	Original Value	Comments
Hardness, Brinell	256	Converted from Rockwell C hardness.
Hardness, Knoop	281	Converted from Rockwell C hardness.
Hardness, Rockwell C	24.5
Hardness, Vickers	266	Converted from Rockwell C hardness.
Tensile Strength, Ultimate	1025 MPa
Tensile Strength, Yield	490 MPa @Strain 0.2 %
Elongation at Break	47.2 %	in 51 mm
Modulus of Elasticity	232 GPa	RT
	153 GPa @Temperature 1000 °C
	161 GPa @Temperature 900 °C
	169 GPa @Temperature 800 °C
	176 GPa @Temperature 700 °C
	184 GPa @Temperature 600 °C
	193 GPa @Temperature 500 °C
	201 GPa @Temperature 400 °C
	209 GPa @Temperature 300 °C
	217 GPa @Temperature 200 °C
	225 GPa @Temperature 100 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000101 ohm-cm	RT
	0.000103 ohm-cm @Temperature 100 °C
	0.000105 ohm-cm @Temperature 200 °C
	0.0001077 ohm-cm @Temperature 300 °C
	0.0001105 ohm-cm @Temperature 400 °C
	0.0001127 ohm-cm @Temperature 500 °C
	0.0001148 ohm-cm @Temperature 600 °C
	0.0001164 ohm-cm @Temperature 700 °C
	0.0001175 ohm-cm @Temperature 800 °C
	0.0001183 ohm-cm @Temperature 900 °C
	0.0001191 ohm-cm @Temperature 1000 °C

Thermal Properties	Original Value	Comments
CTE, linear	11.9 µm/m-°C @Temperature 25.0 - 100 °C
	12.6 µm/m-°C @Temperature 25.0 - 200 °C
	13.2 µm/m-°C @Temperature 25.0 - 300 °C
	13.8 µm/m-°C @Temperature 25.0 - 400 °C
	14.5 µm/m-°C @Temperature 25.0 - 500 °C
	15.2 µm/m-°C @Temperature 25.0 - 600 °C
	15.8 µm/m-°C @Temperature 25.0 - 700 °C
	16.5 µm/m-°C @Temperature 25.0 - 800 °C
	17.1 µm/m-°C @Temperature 25.0 - 800 °C
	17.9 µm/m-°C @Temperature 25.0 - 1000 °C
Specific Heat Capacity	0.403 J/g-°C	RT
	0.423 J/g-°C @Temperature 100 °C
	0.444 J/g-°C @Temperature 200 °C
	0.465 J/g-°C @Temperature 300 °C
	0.486 J/g-°C @Temperature 400 °C
	0.502 J/g-°C @Temperature 500 °C
	0.523 J/g-°C @Temperature 600 °C
	0.540 J/g-°C @Temperature 700 °C
	0.557 J/g-°C @Temperature 800 °C
	0.573 J/g-°C @Temperature 900 °C
	0.590 J/g-°C @Temperature 1000 °C
Thermal Conductivity	10.4 W/m-K	RT
	12.2 W/m-K @Temperature 100 °C
	14.3 W/m-K @Temperature 200 °C
	15.9 W/m-K @Temperature 300 °C
	17.5 W/m-K @Temperature 400 °C
	19.3 W/m-K @Temperature 500 °C
	21.1 W/m-K @Temperature 600 °C
	23.0 W/m-K @Temperature 700 °C
	24.8 W/m-K @Temperature 800 °C
	25.5 W/m-K @Temperature 900 °C
	27.6 W/m-K @Temperature 1000 °C
Melting Point	1315 - 1410 °C
Solidus	1315 °C
Liquidus	1410 °C
Maximum Service Temperature, Air	1095 °C

Component Elements Properties	Original Value	Comments
Boron, B	<= 0.015 %
Carbon, C	0.050 - 0.15 %
Chromium, Cr	21 - 23 %
Cobalt, Co	42 %	As remainder
Iron, Fe	<= 3.0 %
Lanthanum, La	0.020 - 0.12 %
Manganese, Mn	<= 1.25 %
Nickel, Ni	20 - 24 %
Silicon, Si	0.20 - 0.50 %
Tungsten, W	13 - 15 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

NH18BJ / 16390

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