W-3Re (W-3%Re) annealed vs Zircadyne 702 (UNS R60702)
Property comparison of W-3Re (W-3%Re) annealed and Zircadyne 702 (UNS R60702), both refractory.
| Property | W-3Re (W-3%Re) annealed | Zircadyne 702 (UNS R60702) | Difference |
|---|---|---|---|
| Yield strength | 900 MPa | 321.1 MPa | -64% |
| Tensile strength | 1,100 MPa | 468.1 MPa | -57% |
| Elongation | 8 % | 28.9 % | +261% |
| Elastic modulus | 388,000 MPa | 99,200 MPa | -74% |
| Density | 19,600 kg/m³ | 6,510 kg/m³ | -67% |
| Thermal conductivity | 100 W/m·K | 22 W/m·K | -78% |
| Coefficient of thermal expansion | 0.000005 1/K | 0.000006 1/K | +26% |
| Melting point | 3,170 °C | 1,852 °C | -42% |
Difference is Zircadyne 702 (UNS R60702) relative to W-3Re (W-3%Re) annealed. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASM Alloy Digest / PMC review of W-Re alloys (PMC10779616)
- heat treatment
- annealed
- grade
- —
- standard
- ASTM B551 / B523 / B493 / B550 / B658
- heat treatment
- Annealed
- grade
- R60702
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