70Mn4 | 1.1244 Material Datasheet
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| Material Number | Material Name | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|---|
| 1.1244 (DIN EN ISO 683-17 : 2023-12) | 70Mn4 | 1.1244 | DIN EN ISO 683-17 : 2023-12 | Supersedes DIN EN ISO 683-17 : 2015-02 | Valid | Germany | 70Mn4 | 1.1.1 | 1) |
| 1) Remark: 70Mn4 is an induction-hardening bearing steel. |
Chemical Composition
| Al [%] | C [%] | Ca [%] | Cu [%] | Mn [%] | O [%] | P [%] | S [%] | Si [%] | Remainder | |
|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
Mechanical Properties
| Semi-finished Product | Condition | Hardness HB | HBW | |
|---|---|---|---|
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| 1) Source: blur |
Cross Reference
| Material Name | Country | Standard | |
|---|---|---|---|
| G70Mn | China | GB/T 28417 | 1) |
| B31700 | China | ISC | 1) |
| 70Mn4 | Europe | EN ISO 683-17 | |
| B42 | International | ISO 683-17 | 2) |
| 1) Source: DIN EN ISO 683-17 | |||
| 2) Source: DIN EN ISO 683-17 : 2000-04 |
Producer/Supplier/Trade names
| Tradename | Supplier | |
|---|---|---|
| 70Mn4 | ArcelorMittal Duisburg GmbH, Duisburg | 1) |
| Durapur 1244 | Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten | 1) |
| 70Mn4 | HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach | 1) |
| 70Mn4 | INTERSTAHL Service GmbH, Wetter | 1) |
| Durapur 1244 | Swiss Steel Deutschland GmbH, Niedereschach | 1) |
| 70Mn4 | Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau | 1) |
| 1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur |
Linear-elastic
| Temperature [°C] | Young's modulus [GPa] | Bulk modulus [GPa] | Shear modulus [GPa] | Poisson's ratio |
|---|---|---|---|---|
| blur | blur | |||
| blur | blur | |||
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Designation
| Designation | Material number | Source |
|---|---|---|
| blur | blur | blur |
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| blur | blur | |
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| blur | blur | |
| blur | blur | |
| blur | blur |