BeCuW

metal

· JVASP-74468· BeCuW

BeCuW is a copper-beryllium-tungsten composite or alloy that combines the thermal and electrical conductivity of copper with the hardness and high-temperature stability contributions of beryllium and tungsten. This material is primarily used in aerospace, defense, and high-performance electronics applications where thermal management and dimensional stability at elevated temperatures are critical, offering advantages over conventional copper alloys in extreme environments where conventional materials would fail or require excessive cooling.

aerospace heat sinksdefense electronicshigh-temperature connectorsthermal management componentsprecision instrumentationspace applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	11.04	kg/m³	—

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)	0.4050	eV/atom	—
Formation Energy(ΔHf)	0.1466	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.

BeCuW

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control