BeCu2Bi

metal
· JVASP-71189· BeCu2Bi

BeCu2Bi is a beryllium-copper-bismuth ternary alloy that combines the high strength and thermal conductivity of copper-beryllium systems with bismuth addition, likely to modify machinability, phase stability, or specific property combinations. This composition sits at the intersection of precipitation-hardening copper alloys and bismuth-modified systems, making it primarily relevant to specialized engineering applications where conventional beryllium-copper grades are limiting. The material is relatively uncommon in mainstream industrial use; engineers would select it over standard BeCu alloys when bismuth's effects on microstructure refinement, reduced tool wear during machining, or enhanced electrical-to-thermal property ratios become critical to design constraints.

precision connectors and switchesaerospace spring contactswear-resistant fastenersmachinable high-strength componentsthermal management in compact assemblies

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
8.748
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.3793
eV/atom—
Formation Energy(ΔHf)
0.3247
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.