ASTM A848 Type 1 – Vim Var Core Iron

Standards

Mat. No.
2.4545 2.4595 2.4596
EU
FeNi48
AISI/ASTM
-
UNS
UNS N14080
Other
Magnifer 79042
Carpenter HyMu 801
Hipernom1
Moly-Permalloy
Permalloy 80
Mumetal3
ASTM A753 Type 4 is an alloy containing 80% nickel, 5% molybdenum, and iron. It is used as an alloy that requires maximum permeability with minimum hysteresis.

Chemical Composition & Mechanical and Physical Properties

C %
0.020 max
Mn %
0.50 max
Mo%
5.00 nom
Ni%
80.00
Si%
0.30 max
P%
0.020 max
S%
0.01
Cr%
0.30 max

Typical DC Magnetic Properties

Saturation Induction - Gausses
8700
Maksimum Permeability
230,000
Coercive Force Oersteds
0.015
Coercive Force - A/m
1.19

Typical AC Magnetic Properties

Core Loss W/lb @ 400 Hz &20k G
N/A
B-40 Permeability @60 Hz
45,000
Density (lb/cu in)
0.316
Melting Point °C
1454
Electrical Resistivity (ohm-cir mil/ft)
349
Thermal Conductivity (W/cm°C)
0.35
Specific Heat Cal/g-°C
-
Thermal Expansion (ppm/oC (25°C-450°C))
13.60

Application areas

In environments such as Aerospace, Automotive, high quality motor lamination, transformer powers, shields, strip wound toroids.

Specifications

MIL N-14411C Comp 1 – ASTM A753 Type 4
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