REFeB 290/80 | R7-1-4 Material Datasheet
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| Material Number | Material Name | Material Number (single) | Standard | Scope | Standard Status | Country | VDA 231-106 classification | Application temperature [°C] | |
|---|---|---|---|---|---|---|---|---|---|
| R7-1-4 (DIN EN 60404-8-1 : 2016-02) | REFeB 290/80 | R7-1-4 | DIN EN 60404-8-1 : 2016-02 | DIN EN 60404-8-1 : 2016-02 replaced by DIN EN IEC 60404-8-1 : 2024-05 | Replaced | Germany | 4.2 | ≤ 200 | 1) |
| 1) Remark: Sintered anisotropic magnetically hard RE2Fe14B alloy. Neodymium is within this alloy type the most important rare earth, which can be partially replaced by dysprosium, praseodymium or other RE elements. Iron can be partially replaced by cobalt. |
Chemical Composition
| B [%] | Co [%] | Dy [%] | Pr [%] | Tb [%] | Rare Earths [%] | Remainder | |
|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | |||||||
| 2) Remark: blur |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
Mechanical Properties
| Tensile Strength [MPa] | Compressive Strength [MPa] | Hardness HV | |
|---|---|---|---|
| blur | blur | blur | 1)2) |
| 1) Source: blur | |||
| 2) Remark: blur |
Physical Properties
| Specimen Direction | Density [g/cm³] | Young's Modulus [GPa] | Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | Specific Electrical Resistance [µΩm] | Curie Temperature [°C] | |
|---|---|---|---|---|---|---|---|
| blur | 1) | ||||||
| blur | blur | blur | blur | 1)2) | |||
| blur | blur | 1)2) | |||||
| blur | blur | 1)2) | |||||
| 1) Source: blur | |||||||
| 2) Remark: blur |
Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| REFeB 290/80 | Europe | EN 60404-8-1 |
| REFeB 290/80 | International | IEC 60404-8-1 |
| REFeB 290/80 | Germany | VDE 0354-8-1 |
| RE2Fe14B 290/80 | ||
| NdFeB 290/80 | ||
| Nd2Fe14B 290/80 |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| NeoDeltaMagnet | IBS Magnet, Berlin |
| Neofer | Magnetfabrik Bonn GmbH, Bonn |
| NdFeB | MS-Schramberg GmbH & Co. KG, Schramberg-Sulgen |
| REFeB | ThyssenKrupp Magnettechnik, Essen |
| VACODYM | VACUUMSCHMELZE GmbH & Co. KG, Hanau |