|
Copper Nickel Electric resistance materials |
|
Nickel Chromium Electric resistance materials |
|
Precision resistance material Manganin |
|
Precision resistance material Karmalloy |
|
Enameled resistance wire |
During the past century since our foundation in 1916, our precision resistance materials have received high evaluations from critics in various fields of the industrial world such as communication tools, automobile parts, precision measurement systems, and home electric products.
We can meet the precise, varied needs of our customers for diverse products with combinations of our processing technologies, such as melting, molding, rolling, wire drawing, and different kinds of advanced coating.
We can supply not only precision resistance wire, ribbon, and bar, but also parts in other forms which our customers need.
We can precisely meet the various needs of our customers by manufacturing precision resistance wire, ribbon, and bar that have a variety of characteristics and functions.
The Categories of Electric Resistance Wire, Ribbon, and Bar
As shown in Table 1, we supply various kinds of electric resistance materials.
Please choose the material that suits your purpose best.
- 1.Copper-Nickel Resistance Wire, Ribbon, Bar
- 2.Nickel-Chromium Electric Heating Wire, Ribbon, Bar Class 1 / Class 2
General Resistance Wire, Ribbon, and Bar
- 1.Manganin Wire, Ribbon, Bar
- 2.Karmalloy Wire
Precision Resistance Wire, Ribbon, Bar
Categories and Standards of Electric Resistance Materials
| No. | Material alloy | Name | Symbol | Chemical Composition % | Volume resistivity μΩ · m | Temperature coefficient X10-6 / ˚C | Tensile strength Mpa | Elongation % | LINK |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cu-Ni Alloy | Cu-Ni resistance material | CN49 | 45Ni, 2Mn, rest Cu | 0.49 |  20 | 410 ~ 540 | 25 < |  |
| 30 micro resistance material | CN30 | 23Ni, 1.5Mn, rest Cu | 0.30 | 180 | 270 ~ 540 | 20 < | | ||
| 15 micro resistance material | CN15 | 10Ni, 1.0Mn, rest Cu | 0.15 | 420 | 250 ~ 490 | 20 < | | ||
| 10 micro resistance material | CN10 | 6Ni, 1.0Mn, rest Cu | 0.10 | 650 | 250 ~ 440 | 20 < | | ||
| 5 micro resistance material | CN05 | 2.5Ni, 1.0Mn, rest Cu | 0.05 | 1200 | 200 ~ 390 | 20 < | | ||
| 2 | Cu-Mn-Ni Alloy | Precision resistance material Manganin | CM | 12Mn, 2Ni, rest Cu | 0.44 | 10 | 340 ~ 590 | 10 < | |
| Ni-Cr-Al Alloy | Precision resistance wire Karmalloy*1 | KMW | 76Ni, 19Cr, others | 1.33 | 20 | 880 ~ 1200 | 20 < | | |
| 3 | Ni-Cr Alloy |
Ni-Cr resistance material class 1 | NCH-1 |
19Cr, 2.5Mn, rest Ni |
1.08 | 50 | 690 ~ 930 | 20 < | |
| Ni-Cr resistance material class 2 | NCH-2 | 57Ni, 16.5Cr, rest Fe |
1.12 | 150 | 640 ~ 880 | 20 < | |
||
| 4 | Fe-Cr-Al Alloy |
Fe-Cr resistance material class 1 | FCH-1 | 24.5Cr, 4.5Al, rest Fe | 1.42 | 80 | 640 ~ 880 | 10 < | |
| Fe-Cr resistance material class 2 | FCH-2 | 19Cr, 3Al, rest Fe | 1.23 | 150 | 590 ~ 830 | 10 < | |
*1 Karmalloy in this table is our registered trademark.
The 's in the table are to be filled in with P standing for plate, R for ribbon, or W for wire.
| Features of Alloy | Cu-Ni Alloy CN49W | Cu-Mn-Ni Alloy CMW | Ni-Cr Alloy NCH1,2 | Ni-Cr-Al Alloy KMW |
|---|---|---|---|---|
| Small temp. coefficient |  | |  | |
| Large volume resistivity |  | | | |
| Small amount at the electromotive force against copper |  | | | |
| Fine dia. wires can be drawn excellent mechanical features | | | | |
| Stable resistance over many years | | | | |