Be5Fe

metal

· JVASP-35304· Be5Fe

Be5Fe is an intermetallic compound combining beryllium and iron, representing a specialized metal system studied primarily in advanced materials research rather than mainstream industrial production. This material belongs to the beryllium-iron phase family and is of interest for applications requiring extremely low density combined with high stiffness, though beryllium-containing materials face significant processing and health/safety constraints that limit their adoption. Engineers would consider Be5Fe compounds mainly in aerospace and defense contexts where the weight savings and thermal properties of beryllium systems justify the manufacturing complexity and environmental controls required.

aerospace structures (research phase)lightweight high-stiffness applicationshigh-temperature materials researchberyllium composite developmentspecialty alloys for defense

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.386	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.377	µB	—
Seebeck Coefficient(S)	1.250	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.08000	eV/atom	—
Formation Energy(ΔHf)	-0.09620	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.

Be5Fe

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control