MnCu4Sn

metal

· JVASP-148971· MnCu4Sn

MnCu4Sn is a copper-based quaternary alloy containing manganese and tin, belonging to the family of copper alloys traditionally developed for enhanced mechanical properties and corrosion resistance. This material is primarily encountered in electrical contacts, spring applications, and wear-resistant components where the manganese and tin additions strengthen copper beyond its pure form, and its composition suggests potential use in marine or chemically aggressive environments. The specific Mn–Cu–Sn system is relatively specialized; engineers would select it over standard brasses or bronzes when superior strength-to-conductivity trade-offs or resistance to dezincification and stress corrosion cracking are required.

electrical contacts and connectorscorrosion-resistant springswear-resistant bearing surfacesmarine hardware applicationshigh-strength copper alloys

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3019	lb/in³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	4.526	µB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1078	eV/atom	—
Formation Energy(ΔHf)	0.1004	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.

MnCu4Sn

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control