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Nb3Sn Superconducting Wires

 

 

For high field applications, Supercon produces Nb3Sn (Niobium Tin) conductors manufactured by the bronze process. The bronze process offers superior manufacturability, allowing delivery of long length wire with high current density and low AC loss. A simplified reaction heat treatment for bronze Nb3Sn improves the reliability and manufacturability for the magnet producer. Sold bare or with a braided insulation, we offer either Nb or NbTa versions. See our data tables below for more details on your specific requirements.

 

Type

# Filaments

Cu %

Applications / General Description

High Field Nb3Sn Superconducting Wire                      click for more detail...

24,600

20

Designed for use in high field applications

NS

24,600

25

 

High Field Nb3Sn (Bronze Route) Superconducting Wire

Type

# Filaments

Cu %

Diameter (mm)

Critical Currents (Amps @ 4.2K) at Fields (Tesla, T)

Filament Diameter (µm)

Bare

Insulated

9T

10T

12T

13T

HNST

24,600

20

0.5

0.65

145

115

60

45

1.5

0.6

0.75

260

210

130

100

1.8

0.7

0.85

290

230

145

110

2.1

0.8

0.95

350

280

175

130

2.4

0.85

1.0

400

325

210

160

2.5

0.9

1.05

410

335

225

170

2.7

1.0

1.15

500

395

275

225

3.0

1.1

1.25

630

530

325

270

3.3

NS

24,600

25

0.4

0.55

100

75

40

25

1.1

0.5

0.65

140

105

60

40

1.3

0.6

0.75

200

155

85

60

1.6

0.7

0.85

260

215

140

100

1.9

0.8

0.95

350

285

165

115

2.1

1.1

1.25

645

535

280

190

3.0

Note: Typical reaction heat treatment time is 95 to 120 hrs @ 650-700°C 

 

The images below are cross sectional views of both internally and externally stabilized Nb3Sn (Niobium Tin) superconducting wire.