Alliage 25
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We have not this metal on permanent stock. But we can supply it with a longer delivery time, in any needed shape.
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| Carlier designation | KC20WN |
| UNS designation | R30605 |
| European numbering designation | 2.4964 |
| AFNOR designation | CoCr20W15Ni |
| British Standard designation | HR40 |
| Thyssen Krupp VDM designation | Conicro 5010W |
| Aubert & Duval designation | Alacrite XSH |
| Applicable standards | | AIR - 9165 | Forged pieces | | ASTM F90 | |
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Chemical composition
| en % | Co | Ni | Cr | W | Fe | C | Mn | S | Si | P | | min | - | 9,000 | 19,000 | 14,000 | - | 0,050 | 1,000 | - | - | - | | max | Solde | 11,000 | 21,000 | 16,000 | 3,000 | 0,150 | 2,000 | 0,015 | 0,300 | 0,015 |
Density : 9.13
Guarantee mechanical results in MPa
| Standard | Rm | Rp
0.2% | A % | Z | HB | Hrc | Comments | | AIR 9165 | >850 | >340 | >30 | - | <282 | - | Bars and forged pieces |
Forging conditions
Forging is made at a range of temperature included between 1150 and 950°C, then cooled at appropriate conditions for the final thermal treatment and obtain required characteristics. In any case, please contact us.
Properties / Main use conditions
Cobalt, chromium, tungsten and nickel alloy, having an excellent mechanical resistance until 1100°C, and a good resistance to projection of salts coming from hydrochloric, nitric, phosphoric and sulphuric acids at high temperatures.
Main applications
Stationary and flying gas turbine components, turbine casings and rings. Oven muffles, heat exchangers for high temperature, equipments for chemical process at high temperatures.
Heat treatment
Solution : 1250°C / 1 hour / Air cool.
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