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Chemical Composition
The chemical composition of UNS R30783 is outlined in the following table.
|
Element |
Content (%) |
|
Nickel, Ni |
26-30 |
|
Iron, Fe |
24-27 |
|
Aluminum, Al |
5-6 |
|
Chromium, Cr |
2.5-3.5 |
|
Niobium, Nb |
2.5-3.5 |
|
Copper, Cu |
0.50 max |
|
Manganese, Mn |
0.50 max |
|
Silicon, Si |
0.50 max |
|
Titanium, Ti |
0.10-0.40 |
|
Carbon, C |
0.03 max |
|
Boron, B |
0.003-0.012 |
|
Phosphorus, P |
0.015 max |
|
Sulfur, S |
0.005 max |
|
Cobalt, Co |
Balance |
Physical Properties
The physical properties of UNS R30783 are tabulated below.
|
Properties |
Metric |
Imperial |
|
Density |
7.81 g/cm3 |
0.282 lb/in3 |
|
Melting point |
1336-1407 °C |
2437-2565 °F |
Mechanical Properties
The following table shows mechanical properties of UNS R30783.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
1194 MPa |
171 ksi |
|
Yield strength |
779 MPa |
113 ksi |
|
Poisson’s ratio |
0.31 |
0.31 |
|
Elastic modulus |
177.3 GPA |
25.72 ksi |
|
Elongation at break |
24% |
24% |
Thermal Properties
The thermal properties of UNS R30783are tabulated below.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@93°C/200°F) |
10.08 µm/m°C |
5.60 µin/in°F |
|
Thermal conductivity (@21°C/70°F) |
10.1 W/m-°C |
71 BTU in/hr.ft².°F |
