 |
Magnetic Alloys
Products
Interested in Magnetic Alloys?
|
Tel: +44 (0) 1548 855900 Email: sales@datumalloys.com |
Tel: +65 6744 5095 Email: apsales@datumalloys.com |
These Nickel-Chromium-Iron Magnetic Alloys offer high strength and good ductility. They have the ability for work hardening and strengthening. These alloys possesses good resistance to extremely corrosive environments at elevated temperatures, and oxidation resistance sustained up to 1200 degree Celsius.
Alloy 50 is a soft magnetic nickel-iron alloy with approximately 48% Nickel, and 52% Iron. Given an appropriate thermal treatment, this material is capable of a high permeability. Typical applications include transformer laminations, magnetic shields and relay parts.
Alloy 75 is a soft magnetic alloy with approximately 80% Nickel, 5% Copper, 2% Chromium, and 15% Iron. Given an appropriate thermal treatment, this material is capable of a high permeability. Typical applications include transformer laminations and magnetic shields.
Alloy 79 is a soft magnetic alloy with approximately 80% Nickel, 5% Molybdenum, 15% Iron. Given an appropriate thermal treatment, this material is capable of a high permeability. Typical applications include transformer laminations and magnetic shields.
The data sheet for these products is presented below:
(Click here to download our Magnetic Alloys Data Sheet in .pdf format.)
|
MAGNETIC ALLOYS DATA SHEET
|
| NOMINAL CHEMICAL COMPOSITION | |||||||||
|
Ni
|
Mo
|
Mg
|
Si
|
C
|
Cr
|
Cu
|
Fe
|
||
|
Alloy 50
|
Composition 3
|
48%
|
-
|
.5%
|
.4%
|
.2%
|
-
|
-
|
Balance
|
|
Alloy 75
|
Composition 2
|
75%
|
-
|
.5%
|
.2%
|
.02%
|
2%
|
5%
|
Balance
|
|
Alloy 79
|
Composition 1
|
80%
|
5%
|
.5%
|
.2%
|
.01%
|
-
|
.02%
|
Balance
|
| APPLICABLE SPECIFICATIONS | |
|
Alloy 50
|
ASTMA - 753 TYPE 2
|
|
Alloy 75
|
ASTMA - 753 TYPE 3
|
|
Alloy 79
|
ASTMA - 753 TYPE 4
|
| MECHANICAL PROPERTIES (typically annealed material) | |||
|
Tensile Strength
|
% Elongation on 50.4mm
|
Hardness - Brinell
|
|
|
Alloy 50
|
590 Nmm-2
|
25
|
121
|
|
Alloy 75
|
550 Nmm-2
|
40
|
125
|
|
Alloy 79
|
520 Nmm-2
|
40
|
100
|
| PHYSICAL PROPERTIES | |||||
|
Density
|
Melting Point
|
Curie Temperature
|
Saturation Magnetostriction
|
Specific Heat
|
|
|
Alloy 50
|
8.3 gcm-3
|
1427oC
|
471oC
|
+25 x 10-6
|
-
|
|
Alloy 75
|
8.6 gcm-3
|
1454oC
|
438oC
|
1 x 10-6
|
502 J/Kkg
|
|
Alloy 79
|
8.8 gcm-3
|
1454oC
|
443oC
|
1 x 10-6
|
494 J/Kkg
|
| THERMAL PROPERTIES | |
|
Thermal Conductivity
|
|
|
Alloy 50
|
11 Wm-1K-1
|
|
Alloy 75
|
23.5 Wm-1K-1
|
|
Alloy 79
|
24 Wm-1K-1
|
|
Coefficient of Expansion
|
||||
|
Temperature Range
|
x 10-6K-1
|
|||
|
Alloy 50
|
25oC
|
to
|
100oC
|
8
|
|
Alloy 75
|
25oC
|
to
|
100oC
|
12.5
|
|
Alloy 79
|
25oC
|
to
|
100oC
|
12
|
|
ELECTRICAL PROPERTIES
|
|
|
Electrical Resistivity
|
|
|
Alloy 50
|
47 uOhm cm
|
|
Alloy 75
|
58 uOhm cm
|
|
Alloy 79
|
58 uOhm cm
|
ISO Certificate
