Permalloy 1J21
Permalloy 1J21Material grades and equivalents
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Trademark |
GB |
ASTM |
UNS |
W.Nr |
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1J21 |
Chemical composition:
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Chemical composition(%) S |
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C |
P |
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Mn |
Si |
Ni |
Cu |
V |
Co |
Fe |
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Max |
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1J21 |
0.04 |
0.02 |
0.02 |
0.03 |
0.03 |
0.5 |
0.20 |
0.80~1.20 |
49.0~51.0 |
Rest |
Characteristic as below：
1J21 cobalt-based soft magnetic gold, saturated magnetic flux density can reach 2.35T. It has a high Curie temperature (980 ℃) and magnetostriction coefficient (60 * 10-6) and other characteristics.
Processing conditions and application:
1J21 is suitable for vibrating diaphragms, magnetostrictive transducers and buzzer elements for small size, light weight, large power spaceflight, aeronautic motors, electromagnet pole shoe power transformers, voltage and hearing aids.
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Regular shape for all kinds of alloys |
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Form |
Specification |
Supply Form |
Others |
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Sheet |
Thickness：0.40-4.75mm，General Width：1000、1219、1500mm |
Whole Coil or piece of it |
Cold Annealed，Surface 2B、2E |
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Plate |
Thickness：4.76-60mm，Width：1500、2000、2500mm，Length：3000、6000、8000、8500mm（Under 10mm plate can be coiled） |
Whole Coil or piece of it |
Single hot rolling，Solid solution annealed state，Surface 1D |
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Belt |
Thickness：0.10-3.0mm，Width：50-500mm |
Whole Coil or Specified size |
Cold Annealed，Surface 2B、2E |
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Bar & Rod |
Rolled barΦ5-45mm，Length≤1500mm |
Polished Bar（circle、Square） |
Solution annealing,descaling |
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Forged barΦ26-245mm，Length≤4000mm |
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Weld tube |
Outer diameterΦ4.76-135mm，Wall Thickness0.25-4.00mm，Length：≤35000 mm |
Base on your requirement |
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Seamless Tube |
Outer diameterΦ3-114mm，Wall Thickness0.2-4.5mm |
Base on your requirement |
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Wire |
Outer diameterΦ0.1-13mm |
Base on your requirement |
Ni & Ni alloy, Ti & Ti alloy |
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Forged piece |
discs,rings,squares,blocks,slabs |
Base on your requirement |
Steel, Alloy |
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Flangs |
All kinds of Flangs |
Base on your requirement |
Steel, Alloy |
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Welding Material |
Coil wire Φ0.025mm-1.6mm |
Base on your requirement |
Certificate of Origin：America, Sweden, Britain, Germany, Austria, Italy, France. |
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Straight WireΦ1.6mm-4.0mm |
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Welding rodΦ1.2mm-4.0mm |
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Tube |
Elbow, three links, four links, different diameter size |
Base on your requirement |
Ni & Ni alloy, Ti & Ti alloy |
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Explosive bonded laminate |
Raw Sheet Thickness≥2mm |
Base on your requirement |
Ni & Ni alloy, Ti & Ti alloy |
