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  399ºC (750ºF)
 Specific Resistance- Ohms/circular mil foot
 @ 20ºC (68ºF)		 90
 Temperature Coefficient of resistance Perº 20ºC
 to 100ºC (68ºF to 212ºF)		  .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
@ 68°F		  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