Hardness Class D8-25H Material Datasheet
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| Material Number | Material Name | Standard | Scope | Standard Status | Country | VDA 231-106 classification | Application temperature [°C] | |
|---|---|---|---|---|---|---|---|---|
| D8-25H (DIN EN ISO 3506-4 : 2026-06) | Hardness Class D8-25H | DIN EN ISO 3506-4 : 2026-06 | Supersedes DIN EN ISO 3506-4 : 2010-04 | Valid | Germany | 1.1.2 | -20 - 150 | 1) |
| 1) Remark: Tapping screws made of corrosion-resistant, stainless duplex steel with threads ST2.2 to ST8 in accordance with ISO 1478. |
Chemical Composition
| C [%] | Cr [%] | Cu [%] | Mn [%] | Mo [%] | N [%] | Ni [%] | P [%] | S [%] | Si [%] | W [%] | Remainder | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Mechanical Properties
| Condition | Temperature [°C] | Hardness HV | |
|---|---|---|---|
| blur | blur | blur | 1) |
| 1) Source: blur |
Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| D8-25H | Europe | EN ISO 3506-4 |
| D8-25H | International | ISO 3506-4 |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| D8-25H | Adolf Würth GmbH&Co. KG, Künzelsau |
| D8-25H | Bossard Deutschland GmbH, Illerrieden |
| D8-25H | BUFAB Bulten Stainless AB, Svarta |
| D8-25H | BUMAX AB, Åshammar |
| D8-25H | F. REYHER Nchfg. GmbH & Co. KG, Hamburg |
| D8-25H | Lederer GmbH, Ennepetal |
| D8-25H | SFS Group AG, Heerbrugg |
| D8-25H | WASI GmbH, Wuppertal |