Permalloy 4J44
Permalloy 4J44 Material grades and equivalents
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Trademark |
GB |
ASTM |
UNS |
W.Nr |
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4J44 |
Chemical composition:
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Alloy |
C |
P |
S |
Mn |
Si |
Ni |
Cr |
Co |
Cu |
Fe |
N |
No |
AI |
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Max |
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4J44 |
0.03 |
0.02 |
0.02 |
0.05 |
0.3 |
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Characteristic as below：
In the range of 20 ℃ ~ 500 ℃ has a certain linear thermal expansion coefficient.
Processing conditions and application:
Permalloy 4J44 is suitable for vacuum electronic devices (such as tube, oscillation tube, klystron, magnetron, tube, etc.
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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 |
