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Hs 188 vs L 605
Property comparison of Hs 188 and L 605, both cobalt alloy.
| Property | Hs 188 | L 605 | Difference |
|---|---|---|---|
| Yield strength | 464 MPa | 450 MPa | -3% |
| Tensile strength | 946 MPa | 970 MPa | +3% |
| Elongation | 53 % | 52 % | -2% |
| Elastic modulus | 232,000 MPa | 225,000 MPa | -3% |
| Shear modulus | 93,000 MPa | 86,877 MPa | -7% |
| Poisson ratio | 0.31 | 0.29 | -6% |
| Density | 8,980 kg/m³ | 9,130 kg/m³ | +2% |
| Brinell hardness | 302 HB | 250 HB | -17% |
| Thermal conductivity | 10.8 W/m·K | 9.4 W/m·K | -13% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000012 1/K | +10% |
| Melting point | 1,316 °C | 1,370 °C | +4% |
Difference is L 605 relative to Hs 188. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
Hs 188
- grade
- R30188
- standard
- Haynes International datasheet H-3125C
- heat treatment
- annealed (bright)
L 605
- grade
- R30605
- standard
- Haynes International datasheet H-3000C
- heat treatment
- annealed
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