Thermocouple Wire & Rod
The following table shows the most common thermocouple alloys offered by Idaho Labs Corp. We offer these as both annealed and hard-drawn / machineable for applications where machining is required.
| Thermocouple Wire Offered by Idaho Laboratories Corporation | |
|---|---|
| Wire Type | Available Diameters (OD) |
| Type K | From .032″ to .609″ |
| Type J | From .032″ to .250″ |
| Type E & T | From .064″ to .313″ |
| Type N | From .064″ to .188″ |
| Type C | From .005″ to .020″ |
| Platinum (Type R, S, & B) | From .005″ to .051″ |
| Platinel II | From .005″ to .020″ |
Unfortunately Nickel / Nickel Moly (Type M) has been discontinued.
We also offer a large selection of resistance wire such as Nichrome 80.
|
Ohms per circular mil foot (a constant) |
585 | 800 | 356 | 721 | 308 | |
|---|---|---|---|---|---|---|
| Wire Diameter (inches) | AWG | Type K | Type N | Type J | Type E | Type T |
| .460 | 0000 | .00276 | .00378 | .00168 | .00341 | .00146 |
| .4096 | 000 | .0035 | .0048 | .0021 | .0043 | .0018 |
| .3648 | 00 | .0044 | .0060 | .0027 | .0054 | .0023 |
| .3249 | 0 | .0055 | .0076 | .0034 | .0068 | .0029 |
| .2893 | 1 | .0070 | .0096 | .0043 | .0086 | .0037 |
| .2576 | 2 | .0088 | .0121 | .0054 | .0109 | .0046 |
| .2294 | 3 | .0111 | .0152 | .0068 | .0137 | .0059 |
| .2043 | 4 | .0140 | .0192 | .0085 | .0173 | .0074 |
| .1819 | 5 | .0177 | .0242 | .0108 | .0218 | .0093 |
| .162 | 6 | .0223 | .0305 | .0136 | .0275 | .0117 |
| .1443 | 7 | .0281 | .0384 | .0171 | .0346 | .0148 |
| .1285 | 8 | .0354 | .0484 | .0216 | .0437 | .0187 |
| .1144 | 9 | .0447 | .0611 | .0272 | .0551 | .0235 |
| .1019 | 10 | .0563 | .0770 | .0343 | .0694 | .0297 |
| .0907 | 11 | .0711 | .0972 | .0433 | .0876 | .0374 |
| .0808 | 12 | .0896 | .1225 | .0545 | .1104 | .0472 |
| .072 | 13 | .113 | .154 | .069 | .139 | .059 |
| .0641 | 14 | .142 | .195 | .087 | .175 | .075 |
| .0571 | 15 | .179 | .245 | .109 | .221 | .094 |
| .0508 | 16 | .227 | .310 | .138 | .279 | .119 |
| .0453 | 17 | .285 | .390 | .173 | .351 | .150 |
| .0403 | 18 | .360 | .493 | .219 | .444 | .190 |
| .0359 | 19 | .454 | .621 | .276 | .559 | .239 |
| .032 | 20 | .571 | .781 | .348 | .704 | .301 |
| .0285 | 21 | .720 | .985 | .438 | .888 | .379 |
| .0254 | 22 | .907 | 1.240 | .552 | 1.118 | .477 |
| .0226 | 23 | 1.15 | 1.57 | .697 | 1.412 | .603 |
| .0201 | 24 | 1.45 | 1.98 | .881 | 1.785 | .762 |
| .0179 | 25 | 1.83 | 2.50 | 1.11 | 2.25 | .961 |
| .0159 | 26 | 2.31 | 3.16 | 1.41 | 2.85 | 1.22 |
| .0142 | 27 | 2.90 | 3.97 | 1.77 | 3.58 | 1.53 |
| .0126 | 28 | 3.68 | 5.04 | 2.24 | 4.54 | 1.94 |
| .0113 | 29 | 4.58 | 6.27 | 2.79 | 5.65 | 2.41 |
| .010 | 30 | 5.85 | 8.00 | 3.56 | 7.21 | 3.08 |
| .0089 | 31 | 7.39 | 10.10 | 4.49 | 9.10 | 3.89 |
| .008 | 32 | 9.14 | 12.50 | 5.56 | 11.27 | 4.81 |
| .0071 | 33 | 11.60 | 15.87 | 7.06 | 14.30 | 6.11 |
| .0063 | 34 | 14.74 | 20.16 | 8.97 | 18.17 | 7.76 |
| .0056 | 35 | 18.65 | 25.51 | 11.35 | 22.99 | 9.82 |
| .005 | 36 | 23.40 | 32.00 | 14.24 | 28.84 | 12.32 |