BeCuSi
metal· JVASP-65268· BeCuSi
BeCuSi is a beryllium-copper-silicon ternary alloy that combines the high strength and thermal conductivity of beryllium-copper systems with silicon additions for enhanced hardness and wear resistance. This material is typically used in high-performance applications requiring excellent electrical and thermal conductivity paired with mechanical strength, such as precision connectors, springs, and tooling components in aerospace and electronics manufacturing. BeCuSi offers advantages over standard beryllium-copper alloys through improved hardness and fatigue performance, making it attractive for demanding applications where both conductivity and structural integrity are critical.
electrical connectors and contactsprecision springs and fastenersaerospace tooling and fixtureselectronic component housingsheat sinks and thermal managementwear-resistant bearing surfaces
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Poisson's Ratio(ν) | — | - | — | — | |
Shear Modulus(G) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.