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REFeB 290/80 | R7-1-4 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Application temperature [°C]
R7-1-4 (DIN EN 60404-8-1 : 2016-02) R7-1-4 DIN EN 60404-8-1 : 2016-02 Supersedes DIN IEC 60404-8-1 : 2005-08 Valid Germany ≤ 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 [%]
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Mechanical Properties

Tensile Strength [MPa] Compressive Strength [MPa] Hardness HV
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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]
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Magnetic Properties

Temperature [°C] Magnetic anisotropy Remanence Br [mT] B-coercivity HcB [A/m] J-coercivity HcJ [A/m] Maximum energy product (BH)max [kJ/m³] Recoil permeability µrec Remanence temperature coefficient [%/°C] Coercivity temperature coefficient [%/°C]
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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

Material Compliance

REACh RoHS
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