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Rulon Bearings

Special Metals INCONEL® alloy MA758 Ni-Cr Superalloy
Categories: Metal; Nonferrous Metal; Nickel Alloy; Superalloy

Material Notes: INCONEL® alloy MA 758 is an oxide-dispersion-strengthened (ODS) nickel-chromium superalloy, made by mechanical alloying. It is a development of the well-established aerospace superalloy, INCONEL alloy MA 754, with its chromium content increased to 30%, to improve its performance in corrosive environments at high temperatures. The alloy's high-temperature strength is enhanced by the use of yttrium oxide for dispersion strengthening.

It is used in a range of applications including furnace skid rails, hearth rollers, jigs, tools, and other fabrications for supporting workpieces through heat-treatment processes.

It has been specified for a fueld atomizer application in diesel engines.

Information Provided by Special Metals Corporation

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.

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Physical PropertiesMetricEnglishComments
Density 8.14 g/cc0.294 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break  173 MPa
@Temperature 1000 °C
25100 psi
@Temperature 1830 °F
Bar
 180 MPa
@Temperature 1093 °C
26100 psi
@Temperature 1999 °F
Plate; Longitudinal
 190 MPa
@Temperature 1093 °C
27600 psi
@Temperature 1999 °F
Plate; Transverse
 240 MPa
@Temperature 982 °C
34800 psi
@Temperature 1800 °F
Plate; Longitudinal
 250 MPa
@Temperature 982 °C
36300 psi
@Temperature 1800 °F
Plate; Transverse
 546 MPa
@Temperature 700 °C
79200 psi
@Temperature 1290 °F
Bar
 853 MPa
@Temperature 200 °C
124000 psi
@Temperature 392 °F
Bar
 949 MPa
@Temperature 20.0 °C
138000 psi
@Temperature 68.0 °F
Bar
 960 MPa
@Temperature 20.0 °C
139000 psi
@Temperature 68.0 °F
Plate; Transverse
 1030 MPa
@Temperature 20.0 °C
149000 psi
@Temperature 68.0 °F
Plate; Longitudinal
Tensile Strength, Yield  151 MPa
@Strain 0.2 %,
Temperature 1000 °C
21900 psi
@Strain 0.2 %,
Temperature 1830 °F
Bar
 160 MPa
@Strain 0.2 %,
Temperature 1093 °C
23200 psi
@Strain 0.2 %,
Temperature 1999 °F
Transverse
 170 MPa
@Strain 0.2 %,
Temperature 1093 °C
24700 psi
@Strain 0.2 %,
Temperature 1999 °F
Longitudinal
 220 MPa
@Strain 0.2 %,
Temperature 982 °C
31900 psi
@Strain 0.2 %,
Temperature 1800 °F
Longitudinal
 220 MPa
@Strain 0.2 %,
Temperature 982 °C
31900 psi
@Strain 0.2 %,
Temperature 1800 °F
Transverse
 371 MPa
@Strain 0.2 %,
Temperature 700 °C
53800 psi
@Strain 0.2 %,
Temperature 1290 °F
Bar
 495 MPa
@Strain 0.2 %,
Temperature 200 °C
71800 psi
@Strain 0.2 %,
Temperature 392 °F
Bar
 560 MPa
@Strain 0.2 %,
Temperature 20.0 °C
81200 psi
@Strain 0.2 %,
Temperature 68.0 °F
Bar
 680 MPa
@Strain 0.2 %,
Temperature 20.0 °C
98600 psi
@Strain 0.2 %,
Temperature 68.0 °F
Longitudinal
 690 MPa
@Strain 0.2 %,
Temperature 20.0 °C
100000 psi
@Strain 0.2 %,
Temperature 68.0 °F
Transverse
Elongation at Break  4.0 %
@Temperature 1093 °C
4.0 %
@Temperature 1999 °F
Plate; Longitudinal
 4.0 %
@Temperature 982 °C
4.0 %
@Temperature 1800 °F
Plate; Longitudinal
 5.0 %
@Temperature 1093 °C
5.0 %
@Temperature 1999 °F
Plate; Transverse
 6.0 %
@Temperature 982 °C
6.0 %
@Temperature 1800 °F
Plate; Transverse
 14 %
@Temperature 20.0 °C
14 %
@Temperature 68.0 °F
Plate; Longitudinal
 22 %
@Temperature 20.0 °C
22 %
@Temperature 68.0 °F
Plate; Transverse
 22 %
@Temperature 200 °C
22 %
@Temperature 392 °F
Bar
 27 %
@Temperature 20.0 °C
27 %
@Temperature 68.0 °F
Bar
 29 %
@Temperature 700 °C
29 %
@Temperature 1290 °F
Bar
 29 %
@Temperature 1000 °C
29 %
@Temperature 1830 °F
Bar
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity  0.0001137 ohm-cm
@Temperature 22.0 °C
0.0001137 ohm-cm
@Temperature 71.6 °F
 0.000115 ohm-cm
@Temperature 93.0 °C
0.000115 ohm-cm
@Temperature 199 °F
 0.0001203 ohm-cm
@Temperature 538 °C
0.0001203 ohm-cm
@Temperature 1000 °F
 0.0001204 ohm-cm
@Temperature 982 °C
0.0001204 ohm-cm
@Temperature 1800 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear  12.47 µm/m-°C
@Temperature 200 °C
6.928 µin/in-°F
@Temperature 392 °F
 13.39 µm/m-°C
@Temperature 600 °C
7.439 µin/in-°F
@Temperature 1110 °F
 14.24 µm/m-°C
@Temperature 1000 °C
7.911 µin/in-°F
@Temperature 1830 °F
 15.03 µm/m-°C
@Temperature 1400 °C
8.350 µin/in-°F
@Temperature 2550 °F
Melting Point 1375 °C2507 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 0.30 %0.30 %
Carbon, C 0.050 %0.050 %
Chromium, Cr 30 %30 %
Iron, Fe 1.0 %1.0 %
Nickel, Ni 67.55 %67.55 %Remainder
Titanium, Ti 0.50 %0.50 %
Y2O3 0.60 %0.60 %

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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NINDA03 / 98894

Aluminum Castings

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