One Wire Road, P.O. BOX 667, Sandy Hook, CT 06482
Tel. (203) 426-3133
FAX (203) 426-3805

90 ALLOY SPECIFICATIONS
30 ALLOY | 60 ALLOY | 90 ALLOY | 180 ALLOY | 294 ALLOY

 Copper-Nickel Resistance Alloys
 Physical and Mechanical Properties 90 ALLOY
 Composition 10% Ni, 90% Cu
 Max. Continuous Service Temperature  399C (750F)
 Specific Resistance- Ohms/circular mil foot
 @ 20C (68F)
90
 Temperature Coefficient of resistance Per 20C
 to 100C (68F to 212F)
 .00045
 Specific Gravity (g/c.m.)  8.9
 Tensile Strength (PSI)  35,000 - 70,000
 Corrosion Resistance  Good
 Magnetic  No
 WIRE SIZE 90 ALLOY
 Awg.  Nom.
Dia.
Inches
 Nom.
Cir.
Mil Area
 Ohms/Ft
@ 68F
 Feet per
Pound
 Pounds
per
1000'
 Ohms
per
Pound
 30
31
32
.0100
.0089
.0080
100.
79.2
64.0 
.9000
1.137
1.407
3,318
4,163
5,185
.3014
.2402
.1929
2,986
4,733
7,295
 33
34
35
.0071
.0063
.0056 
50.4
39.7
31.4 
1.790
2.269
2.870
6,583
8,306
10,580
.1519
.1204
.09451
11,755
18,220
30,365
 36
37
38
.0050
.0045
.0040
25.0
20.2
16.0
3.601
4.444
5.625
13,190
16,400
20,740
.07853
.06100
.04822
47,500
72,900
116,650
 39
40
41
.0035
.0031
.0028 
12.2
9.61
7.84
7.346
9.360
11.900
26,920
34,520
43,590
.03715
.02893
.02294
197,750
323,600
522,600

 

30 ALLOY | 60 ALLOY | 90 ALLOY | 180 ALLOY | 294 ALLOY