BeCrSi

metal

· JVASP-67698· BeCrSi

BeCrSi is a beryllium-chromium-silicon intermetallic or composite alloy that combines the lightweight and high-temperature properties of beryllium with the oxidation resistance and strength contributions of chromium and silicon. This material family is primarily of research and development interest, pursued for aerospace and high-temperature applications where weight reduction and thermal stability are critical; however, industrial adoption remains limited due to beryllium's toxicity concerns, processing difficulty, and the availability of competing advanced alloys and composites that offer comparable performance with fewer health and manufacturing risks.

aerospace structures (research phase)high-temperature applicationslightweight alloysintermetallic compoundsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1588	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)	0.4990	eV/atom	—
Formation Energy(ΔHf)	0.2904	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.

BeCrSi

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control