Application
Electronic components, cathode ray tubes, resistors.
Chemical Composition (Nominal %)
Alloy 42 |
41 Ni nominal, 0.80 Mn max, 0.30 Si max, 0.05 C max, 0.25 Cr max, 0.025 P max, 0.025 S max, 0.10 Al max, Balance Fe |
Alloy 52 |
50.5 Ni nominal, 0.60 Mn max, 0.30 Si max, 0.05 C max, 0.25 Cr max, 0.025 P max, 0.025 S max, 0.10 Al max, Balance Fe |
Cobalt (incidental element to be reported separately)
Physical Characteristics
Density
- .297 lb/in³
- Alloy 42
- .300 lb/in³
- Alloy 52
Tempers
Rockwell 30T | Grain Size (nominal) | Tensile KSI* | |
Annealed | 31 - 46 40 - 58 |
0.035 mm 0.015 mm |
|
¼ hard | 61 - 71 | 58 - 72 | |
½ hard | 67 - 74 | 66 - 80 | |
hard | 72 - 76 | 75 - 88 | |
extra hard | 73 - 77 | 80 - 92 | |
spring | 74 - 77 | 84 - 94 |
Sheet/Coil Sizes
Thickness
.002" - 0.125"
Width in coil
8.00" max
Width in length
12.50" max