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Soft Magnetic Alloys


Typical Mechanical Properties*

Remington
Alloy No.		  Material Density g/cm3 Percent Theoretical
Density		 Induction B max** kilogauss Remanence Br
kilogauss		 Coercive Force Hc oersted  Max
 Permeability		 Electrical Resistivity
microhm-cm
 RM-1000 Iron 6.4
6.8
7.2
7.4
7.6		 81
86
92
94
97		 9.1
11.4
13.6
14.7
15.8		 7.4
9.6
11.8
12.9
14.0		 1.80
1.65
1.60
1.50
1.35		 2350
2900
3700
4200
4750		 15
14
12
11
10
 RM-5010
 RM-5020
 RM-5030
 RM-5030
 RM-5030
Iron Silicon 7.2
7.1
6.8
7.0
7.2		 92
92
89
91
94		 13.6
13.2
11.7
13.1
13.9		 10.3
10.3
9.4
10.9
11.8		 1.50
1.20
1.30
1.15
1.00		 3450

 
4860
 
25
46
59
55
52
 RM-2500 Iron Nickel
 		6.8
7.1
7.5
7.7		 83
87
91
94		 9.3
10.9
12.7
13.3		 7.1
8.0
9.4
9.5		 0.26
0.25
0.24
0.22		  
 
21,000
22,000		 78
69
60
57
 RM-3050 Remington Alloy
 		7.0
7.2
7.4
7.6		 88
90
93
96		 11.6
13.5
13.8
14.4		 6.7
8.1
10.2
10.5		 1.60
1.50
1.10
0.95		   35
32
29
27
 RM-7007 Iron Phosphorous
 		7.0
7.2
7.4		 90
92
95		 12.3
13.4
14.6		 9.9
11.2
12.6		 1.20
1.00
0.75		 --
4800
--		 23
21
20

 
* Magnetic properties listed were obtained on toroidal ring specimens. They are considered typical, and are for information only. Properties may vary somewhat on actual parts, depending on size, shape, and processing variables.

** Measured at 25 Oersteds.

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