Hardness Class A1-21H Material Datasheet
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| Material Number | Material Name | Standard | Scope | Standard Status | Country | Successor | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|
| A1-21H (DIN EN ISO 3506-3 : 2010-04) | Hardness Class A1-21H | DIN EN ISO 3506-3 : 2010-04 | DIN EN ISO 3506-3 : 2010-04 replaced by DIN EN ISO 3506-3 : 2010-04 | Replaced | Germany | Hardness Class A1-21H | 1.1.2 | 1) |
| 1) Remark: Austenitic steels of grade A1 are specially designed for machining. Due to high S content, the steels within this grade have lower resistance to corrosion. |
Chemical Composition
| C [%] | Cr [%] | Cu [%] | Mn [%] | Mo [%] | Ni [%] | P [%] | S [%] | Si [%] | Remainder | |
|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Mechanical Properties
| Condition | Temperature [°C] | Hardness HB | HBW | Hardness HRB | Hardness HV | |
|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| A1-21H | Europe | EN ISO 3506-3 |
| A1-21H | International | ISO 3506-3 |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| A1-21H | Bossard Deutschland GmbH, Illerrieden |
| A1-21H | KAMAX Automotive GmbH, Homberg (Ohm) |
| A1-21H | Nedschroef Fasteners B.V, Helmond |
| A1-21H | Johann Maier GmbH & Co. KG, Stuttgart |