BeFeBi

metal

· JVASP-71406· BeFeBi

BeFeBi is a beryllium-iron-bismuth ternary alloy combining the lightweight and stiffness characteristics of beryllium with iron's strength and bismuth's density-modifying properties. This is a research-phase material not widely commercialized; it represents exploration of multiphase metallic systems for specialized applications requiring unusual combinations of low density with high stiffness or specific thermal properties.

aerospace structural componentsexperimental lightweight alloysthermal management systemsresearch and developmenthigh-stiffness-to-weight applicationsspecialty metal matrix composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3079	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.753	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.8682	eV/atom	—
Formation Energy(ΔHf)	0.7331	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.

BeFeBi

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control