800H
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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 | Z5NC31.20 |
| UNS designation | N08810 |
| European numbering designation | 1.4958 + 1.4976 |
| British Standard designation | 3072 (NA15H) + 3076 (NA15H) |
| Thyssen Krupp VDM designation | Nicrofer 3220H |
| Applicable standards | | ASTM B408 | Bars | | ASTM B409 | Plates | | ASTM B564 | Forged bars |
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Chemical composition
| en % | Ni | Fe | Cr | Si | Cu | Al | Ti | Mn | C | S | | min | 30,000 | 39,500 | 19,000 | - | - | 0,150 | 0,150 | - | 0,060 | - | | max | 35,000 | - | 23,000 | 1,000 | 0,750 | 0,600 | 0,600 | 1,500 | 0,100 | 0,015 |
Density : 8.05
Guarantee mechanical results in MPa
| Standard | Rm | Rp
0.2% | A % | Z | HB | Hrc | Comments | | ASTM B408 - 96 | 450 | 170 | 30 | - | - | - | Hot or cold rolled rounds and annealed | | ASTM B564 - 97a | 448 | 172 | 30 | - | - | - | Forged and annealed metal |
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
A variant of 800 for a good resistance to bursting. Use above 700°C.
Main applications
For blast-furnace components, electrical central stations and equipment for heat treatment.
Heat treatment
Please, contact us
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