BeCoW2

metal
· JVASP-71105· BeCoW2

BeCoW2 is a beryllium-cobalt-tungsten composite alloy combining the lightweight properties of beryllium with the hardness and wear resistance of tungsten carbide phases, likely with cobalt as a binder. This material family is primarily explored in aerospace and tooling applications where extreme hardness, low density, and thermal stability are critical, though BeCoW2 itself appears to be a specialized or research-grade composition rather than a widely standardized commercial alloy. Engineers would consider this material when conventional tool steels or cobalt-tungsten carbides prove insufficient due to weight penalties or when beryllium's unique combination of stiffness-to-weight ratio and thermal conductivity justifies the complexity of beryllium alloy processing and handling.

cutting tools and drill bitsaerospace structural componentswear-resistant toolinghigh-speed machininglightweight precision bearingsthermal management components

Compliance & Regulations

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