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.
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Type
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# Filaments
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Cu %
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Applications / General Description
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High Field Nb3Sn Superconducting Wire click for more detail...
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HNST
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24,600
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20
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Designed for use in high field applications |
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NS
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24,600
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25
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High Field Nb3Sn (Bronze Route) Superconducting Wire
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Type
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# Filaments
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Cu %
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Diameter (mm)
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Critical Currents (Amps @ 4.2K) at Fields (Tesla, T)
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Filament Diameter (µm)
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Bare
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Insulated
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9T
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10T
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12T
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13T
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HNST
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24,600
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20
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0.5
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0.65
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145
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115
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60
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45
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1.5
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0.6
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0.75
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260
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210
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130
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100
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1.8
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0.7
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0.85
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290
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230
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145
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110
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2.1
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0.8
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0.95
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350
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280
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175
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130
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2.4
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0.85
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1.0
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400
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325
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210
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160
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2.5
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0.9
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1.05
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410
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335
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225
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170
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2.7
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1.0
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1.15
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500
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395
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275
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225
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3.0
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1.1
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1.25
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630
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530
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325
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270
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3.3
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NS
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24,600
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25
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0.4
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0.55
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100
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75
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40
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25
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1.1
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0.5
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0.65
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140
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105
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60
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40
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1.3
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0.6
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0.75
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200
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155
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85
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60
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1.6
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0.7
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0.85
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260
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215
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140
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100
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1.9
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0.8
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0.95
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350
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285
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165
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115
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2.1
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1.1
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1.25
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645
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535
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280
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190
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3.0
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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.
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Internally Stabilized Nb3Sn - Cross Sectional View
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Externally Stabilized Nb3Sn - Cross Sectional View
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