BeFe

metal

· JVASP-128981· BeFe

BeFe is a beryllium-iron intermetallic compound or alloy system combining beryllium's low density and high stiffness with iron's strength and availability. This material family is primarily of research and specialized industrial interest, valued in aerospace and defense applications where the combination of lightweight properties with thermal stability is critical, though beryllium's toxicity and cost limit broader adoption compared to conventional aluminum or titanium alloys.

aerospace structuresdefense applicationshigh-stiffness lightweight componentsthermal management systemsresearch/development materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2078	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.195	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.08070	eV/atom	—
Formation Energy(ΔHf)	-0.1219	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.

BeFe

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control