DILVER ®
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We propose this metal in forged pieces : rings, blocks, rolls etc… (rough or machined).
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| Carlier designation | FeNi29Co17 |
| UNS designation | K94610 |
| European numbering designation | 1.3981 |
| Thyssen Krupp VDM designation | Pernifer29.18 |
| Applicable standards | | ASTM F15 | Specific applications |
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Chemical composition
| en % | Ni | Fe | Co | Mn | Si | C | | min | 28,0 | - | 17,0 | - | 0,20 | 0,03 | | max | 29,5 | Solde | 18,0 | 0,30 | - | - |
Density : 8.15
Guarantee mechanical results in MPa
| Standard | Rm | Rp
0.2% | A % | Z | HB | Hrc | Comments | | ASTM F15 | 530 | 370 | 30 | - | - | - | Results at 20°C. |
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
Its French name is "DILVER ®" because this alloy has same expansion as glass. It is used for jointing glass/metal, and ceramics/metal. It has a rate of thermal expansion extremely low, between -100 and +450°C.
Main applications
Sealing for electronical tubes or X-rays with high tightness vacuum ; integrated circuit supports.
Heat treatment
Please, contact us
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