BeCuSn2

metal

· JVASP-71535· BeCuSn2

BeCuSn2 is a beryllium-copper-tin ternary alloy combining the high strength and thermal conductivity of beryllium-copper with tin additions for enhanced wear resistance and corrosion protection. This specialized alloy is used in precision applications where a combination of high strength, electrical conductivity, and dimensional stability is required, particularly in aerospace fasteners, electrical contacts, and high-reliability connector systems where traditional copper alloys or aluminum alternatives cannot meet simultaneous thermal, mechanical, and electrical demands.

aerospace fasteners and hardwareelectrical contacts and connectorshigh-reliability switch componentsprecision spring applicationsthermal management interconnectswear-resistant bearing surfaces

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2384	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)	0.2527	eV/atom	—
Formation Energy(ΔHf)	0.1907	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.

BeCuSn2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control