BeFeCu4

metal

· JVASP-65004· BeFeCu4

BeFeCu4 is a beryllium-iron-copper quaternary alloy combining the lightweight and stiffness benefits of beryllium with iron and copper to improve strength, conductivity, and workability. This material family is primarily investigated for aerospace and electronics applications where the combination of low density, high elastic modulus, and thermal/electrical conductivity offer advantages over conventional aluminum or titanium alloys, though beryllium-containing materials require careful handling due to toxicity concerns and are less common than established alternatives in production environments.

aerospace structural componentshigh-stiffness lightweight structuresthermal management systemselectrical connectors and contactsresearch and development applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.133	kg/m³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	2.765	µB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4250	eV/atom	—
Formation Energy(ΔHf)	0.3575	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

BeFeCu4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control