BeSiW

metal
· JVASP-70683· BeSiW

BeSiW is a ternary metal alloy combining beryllium, silicon, and tungsten elements, belonging to the refractory metal alloy family. This material is primarily of research and development interest rather than established commercial production, with potential applications in high-temperature structural applications where the combination of low density (beryllium), hardness (tungsten), and thermal stability (silicon) could offer advantages over conventional superalloys or refractory metals used individually. Engineers considering BeSiW would be evaluating it for niche high-performance applications where extreme temperature resistance, low weight, and wear resistance are simultaneously critical—though material availability, manufacturing complexity, and beryllium's toxicity handling requirements make it a specialized choice requiring careful justification against mature alternatives.

high-temperature structural componentsaerospace research applicationsrefractory metal compositeswear-resistant coatingsnuclear or extreme environment researchadvanced materials R&D

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
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lb/in³——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Magnetic Moment(μB)
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µB——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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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.