BeInCu4

metal

· JVASP-65186· BeInCu4

BeInCu4 is a quaternary beryllium-indium-copper alloy combining the lightweight and stiffness benefits of beryllium with copper and indium for enhanced electrical and thermal conductivity. This material family is primarily explored in research and specialized aerospace contexts where weight reduction, thermal management, and electrical performance must be balanced, though beryllium-containing alloys require careful handling due to toxicity concerns and are less common than beryllium-free alternatives in most commercial applications.

aerospace thermal managementlightweight electronics housingshigh-performance heat sinksresearch and developmentspecialty RF/microwave componentsberyllium alloy systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2757	lb/in³	—

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

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

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2291	eV/atom	—
Formation Energy(ΔHf)	0.1918	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.

BeInCu4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control