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

Material Standard Values

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Material Description

Material Number	Material Number (single)	Standard	Scope	Standard Status	Country	Application temperature [°C]	VDA 231-106 classification
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	4.2	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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2) Remark: blur

Mechanical Properties

Tensile Strength [MPa]	Compressive Strength [MPa]	Hardness HV
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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]
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1) Source: blur
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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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1) Source: 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

Material Compliance

REACh	RoHS
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