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:
siimperial
PropertyValueUnitConditionsSource
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
8.707
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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
PropertyValueUnitConditionsSource
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.
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.