Nb3Sn

metal

· Nb3Sn

Nb3Sn is an intermetallic compound and A15-type superconductor that exhibits zero electrical resistance below its critical temperature, making it one of the most practically important superconducting materials in use today. It is widely deployed in high-field magnet systems for medical MRI scanners, particle accelerators (including the Large Hadron Collider), and experimental fusion reactors, where its ability to carry large currents without energy loss in strong magnetic fields is essential. Engineers choose Nb3Sn over alternative superconductors for applications requiring the highest magnetic fields and longest operational lifespans, though it requires cooling to cryogenic temperatures and is brittle, necessitating careful design of composite conductors with copper stabilization.

MRI magnetsparticle accelerator dipolesfusion reactor coilshigh-field superconducting magnetsresearch electromagnetscryogenic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	164.2	GPa	—
↳	165.9	GPa	—
Poisson's Ratio(ν)	0.4100	-	—
Shear Modulus(G)2 entries	27.45	GPa	—
↳	37.96	GPa	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.707	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	54.36	µV/K	—

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

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)2 entries	-0.1575	eV/atom	—
↳	-0.1435	eV/atom	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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.

Nb3Sn

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control