|
HYMU
80 SHIELDING ALLOY
|
|
also
known as Permalloy, HY MU 80, MAG 7904, MIL
N 14411 C, COMP. 1 OR ASTM A753-78
|
|
NOMINAL
DATA SHEET
|
|
CHEMICAL
COMPOSITION
|
MAGNETIC
PROPERTIES
|
| 80
% Ni |
"HY MU 80" has a
minimum DC permeability
|
| 5
% Mo |
of 80,000 at a flux density
of 40 gauss when
|
| .5
% Si |
heat treated by the recommended
procedure
|
| .02
% Cu |
and test in accordance with
ASTM 596
|
| Balance
Fe |
|
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 |
|
NOMINAL
MECHANICAL PROPERTIES(ANNEALED CONDITION)
|
|
80 max
44,000 psi yield
100,000 psi tensile
40%< elongation in 2"
|
|
COMPOSITION 2
SHIELDING ALLOY
|
|
NOMINAL
DATA SHEET
|
|
CHEMICAL
COMPOSITION
|
MAGNETIC
PROPERTIES
|
| Nickel:
75.0 - 77.0 |
Hardness
|
| Copper:
4.0 - 6.0 |
Annealed:
Rockwell B 75 max
|
| Silicon:
0.50 max |
|
| Phosphorus:
0.02 max |
DC
Magnetic Properties
|
| Sulfur:
0.02 max |
B=100
Gausses: 15,000
|
| Chromium:
3.0 max |
B=2500
Gausses: 52,000
|
| Manganese:
1.8 max |
|
| Carbon:
0.05 max |
Electrical
Resistivity
|
| Iron:
Remainder |
Ohms
circular mil/foot (+/- 5%): 336
|
|
HY
MU 80 SHIELDING ALLOY
|
|
HY-MU 80
|
|
TK
|
Width
|
Length
|
|
.004
|
8/12
|
36/72
|
|
.006
|
8/12
|
36/72
|
|
.010
|
12"
|
36/72
|
|
.014
|
16"
|
36/72
|
|
.020
|
24
|
36/72
|
|
.025
|
24
|
|
|
.030
|
24
|
|
|
.050
|
24
|
|
|
.062
|
24
|
|
.004
.006
.010
.014
.020
.025 |
|
TK
|
Width
|
|
.004
|
SLIT
|
|
.006
|
TO
|
|
.010
|
YOUR
|
|
.014
|
WIDTH
|
|
MIL
N 14411C COMP 2
|
|
|
|
.020
|
SLIT
TO
|
|
0.25
|
YOUR
|
|
.030
|
WIDTH
|
|
*NOTE: Other sizes available
upon request.
|
[TOP]
|
|
|
|
