permalloy bar
HYMU 80 permalloy bar
MAG 7904
MIL N 14411 C, COMP. 1
ASTM A753-78 and ASTM 596
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CHEMICAL COMPOSITION
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MAGNETIC PROPERTIES
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| 80 % Ni |
"HY MU 80" has a minimum DC permeability
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| 5 % Mo |
of 80,000 at a flux density of 40 gauss when
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| .5 % Si |
heat treated by the recommended procedure
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| .02 % Cu |
and test in accordance with ASTM 596
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| Balance Fe |
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PHYSICAL PROPERTIES(ANNEALED CONDITION)
Specific Gravity - 8.7 g/cm Curie Temperature - 830 F(410 C) Electrical Resistivity, 349 ohm circ mil/foot 0.55 ohm mm2/m Density,lb/cu.in. - .316 THERMAL CONDUCTIVITY - 134 Btu-inch/ft hour degree F 0.32 W/cm degree C Coefficient of Thermal Expansion, in./in./ F x 10(-******) 7.2 in/in/degree F x 10-6 between 70 & 400 F 13 cm/cm/degree C x 10-6 between 30 & 204 C |
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NOMINAL MECHANICAL PROPERTIES(ANNEALED CONDITION)
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|
80 max
44,000 psi yield 100,000 psi tensile 40%< elongation in 2" |
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MUMETAL 2 SHIELDING ALLOY
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NOMINAL DATA SHEET
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CHEMICAL COMPOSITION
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MAGNETIC PROPERTIES
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| Carbon: 0.05 max |
Hardness
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| Manganese: 1.8 max |
Anealed: Rockwell B 75 max
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| Silicon: 0.50 max |
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| Phosphorus: 0.02 max |
DC Magnetic Properties
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| Sulfur: 0.02 max |
B=100 Gausses: 15,000
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| Chromium: 3.0 max |
B=2500 Gausses: 52,000
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| Nickel: 75.0 - 77.0 |
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| Copper: 4.0 - 6.0 |
Electrical Resistivity
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| Iron: Remainder |
Ohms circular mil/foot (+/- 5%): 336
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HY MU 80 SHIELDING ALLOY
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HY-MU 80
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SHEET
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TK
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Width
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Length
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.
004
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8/12
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36/72
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.006
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8/12
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36/72
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.010
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12"
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36/72
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.014
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16"
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36/72
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.020
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24
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36/72
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.025
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24
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.030
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24
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.050
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24
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.062
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24
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Etching Grade
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.004
.006 .010 .014 .020 .025 |
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Coil
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TK
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Width
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.004
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SLIT
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.006
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TO
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.010
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YOUR
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.014
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WIDTH
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MU Metal 2 Coil
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MIL N 14411C COMP 2
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.020
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SLIT TO
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0.25
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YOUR
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.030
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WIDTH
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HyMu 80 Round Bar
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MIL N 14411C COMP 1
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.250" Diameter x 144"
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.500" Diameter x 144"
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.750" Diameter x 144"
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1.00" Diameter x 144"
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1.50" Diameter x 144"
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2.00" Diameter x 144"
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Special Diameter Sizes Upon Request
Alloy 49 (Comp 3) Also Available |