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Rulon Bearings

S-816 Cobalt Alloy, UNS R30816
Categories: Metal; Nonferrous Metal; Cobalt Alloy

Material Notes: Typical applications: gas turbine blades, bolts, springs

Tensile property data for bar.

Key Words: RGT 35
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Physical PropertiesMetricEnglishComments
Density 8.70 g/cc0.314 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate  360 MPa
@Temperature 870 °C
52200 psi
@Temperature 1600 °F
 650 MPa
@Temperature 760 °C
94300 psi
@Temperature 1400 °F
 765 MPa
@Temperature 650 °C
111000 psi
@Temperature 1200 °F
 840 MPa
@Temperature 540 °C
122000 psi
@Temperature 1000 °F
 965 MPa
@Temperature 21.0 °C
140000 psi
@Temperature 69.8 °F
Tensile Strength, Yield  240 MPa
@Temperature 870 °C
34800 psi
@Temperature 1600 °F
 285 MPa
@Temperature 760 °C
41300 psi
@Temperature 1400 °F
 305 MPa
@Temperature 650 °C
44200 psi
@Temperature 1200 °F
 310 MPa
@Temperature 540 °C
45000 psi
@Temperature 1000 °F
 385 MPa
@Temperature 21.0 °C
55800 psi
@Temperature 69.8 °F
Elongation at Break  16 %
@Temperature 870 °C
16 %
@Temperature 1600 °F
 21 %
@Temperature 760 °C
21 %
@Temperature 1400 °F
 25 %
@Temperature 650 °C
25 %
@Temperature 1200 °F
 27 %
@Temperature 540 °C
27 %
@Temperature 1000 °F
 30 %
@Temperature 21.0 °C
30 %
@Temperature 69.8 °F
Rupture Strength  124 MPa
@Temperature 816 °C,
Time 3.60e+6 sec
18000 psi
@Temperature 1500 °F,
Time 1000 hour
 172 MPa
@Temperature 816 °C,
Time 360000 sec
25000 psi
@Temperature 1500 °F,
Time 100 hour
 317 MPa
@Temperature 649 °C,
Time 3.60e+6 sec
46000 psi
@Temperature 1200 °F,
Time 1000 hour
 414 MPa
@Temperature 649 °C,
Time 360000 sec
60000 psi
@Temperature 1200 °F,
Time 100 hour
 
Thermal PropertiesMetricEnglishComments
CTE, linear 12.1 µm/m-°C
@Temperature 20.0 - 100 °C
6.72 µin/in-°F
@Temperature 68.0 - 212 °F
Thermal Conductivity 12.6 W/m-K
@Temperature 20.0 - 100 °C
87.0 BTU-in/hr-ft²-°F
@Temperature 68.0 - 212 °F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.38 %0.38 %
Chromium, Cr 20 %20 %
Cobalt, Co 42 %42 %
Iron, Fe 4.0 %4.0 %
Molybdenum, Mo 4.0 %4.0 %
Nickel, Ni 20 %20 %
Niobium, Nb (Columbium, Cb) 4.0 %4.0 %
Tungsten, W 4.0 %4.0 %

References for this datasheet.

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