Type K Thermocouple Nickel Alumel Alloy Wire Extension Cable
Type:K, E, J, T, N, etc
Style:Bright or oxidized
Application:Forming two hot electrodes of thermocouple or compensating cable
Place of Origin:Jiangsu, China (Mainland)
Brand Name:Thermocouple wire
Product Size:0.05mm to 10.0mm
Delivery time:7-20days which is according to quantity
Eco-friendly:Yes
MOQ:1kgs
Trade term:FOB, EXW, CIF, CFR
Payment term:T/T, Western Union, L/C
Certificate:ISO,CQC ROHS
Making sample time:All type in stock
Advantage:High quality with high measuring accuracy, fast thermal response, high mechanical strength, long service lifetime, wide temp measuring range of -200-1300centigrade
Classification for thermocouple TYPE K WIRE
Thermocouple level (high temperature level).This type of thermocouple wire is mainly suitable for thermocouple type K, J, E, T, N and L and other high temperature detection instrument, temperature sensor, etc.
Compensating wire level (low temperature level).This type of thermocouple wire is mainly suitable for compensating cable and extension wire of various thermocouples of type S, R, B, K, E, J, T, N and L, heating cable, control cable and so on.
Thermocouple variety and index for thermocouple TYPE K WIRE
| Thermocouple Variety and Index |
| Variety |
Type |
Measurement Range(°C) |
| NiCr-NiSi |
K |
-200-1300 |
| NiCr-CuNi |
E |
-200-900 |
| Fe-CuNi |
J |
-40-750 |
| Cu-CuNi |
T |
-200-350 |
| NiCrSi-NiSi |
N |
-200-1300 |
| NiCr-AuFe0.07 |
NiCr-AuFe0.07 |
-270-0 |
Thermocouple type and grade for thermocouple TYPE K WIRE
| Thermocouple Type |
Grade |
Temperature Range(°C) |
Allowable Deviation |
| Type K and type N |
I |
-40-1100 |
±1.5°C or±0.4%t |
| II |
-40-1300 |
±2.5°C or ±0.75%t |
| III |
-200-40 |
±2.5°C or ±1.5%t |
| Type E |
I |
-40-1100 |
±1.5°C or ±0.4%t |
| II |
-40-1300 |
±2.5°C or ±0.75%t |
| III |
-200-40 |
±2.5°C or±1.5%t |
| Type J |
I |
-40-750 |
±1.5°C or ±0.4%t |
| II |
-40-750 |
±2.5°C or ±0.75%t |
| Type T |
I |
-40-350 |
±0.5°C or± 0.4%t |
| II |
-40-350 |
±1.0°C or± 0.75%t |
| III |
-200-40 |
±1.0°C or± 1.5%t |
| NiCr-AuFe0.07 |
I |
-270-0 |
±0.5°C |
| II |
±1.0°C |
Specification of alloy wires for thermocouple TYPE K WIRE
| Anode |
Cathode |
Diameter(mm) |
Maximum Temperature(°C) |
| Name |
Code |
Name |
Code |
Long-time using |
Short-time using |
| NiCr10(Chromel) |
KP |
NiSi3(Alumel) |
KN |
Φ0.3 |
700 |
800 |
| Φ0.5 |
800 |
900 |
| Φ0.8 Φ1.0 |
900 |
1000 |
| Φ1.2 Φ1.6 |
1000 |
1100 |
| Φ2.0 Φ2.5 |
1100 |
1200 |
| NiCr14.2Si |
NP |
NiSi4 |
NN |
Φ3.2 |
1200 |
1300 |
| NiCr10(Chromel) |
EP |
CuNi45(Copel) |
EN |
Φ0.3 Φ0.5 |
350 |
450 |
| Φ0.8 Φ1.0 Φ1.2 |
450 |
550 |
| Φ1.6 Φ2.0 |
550 |
650 |
| Φ2.5 |
650 |
750 |
| Φ3.2 |
750 |
900 |
| Fe(Iron) |
JP |
CuNi45(Copel) |
JN |
Φ0.3 Φ0.5 |
300 |
400 |
| Φ0.8 Φ1.0 Φ1.2 |
400 |
500 |
| Φ1.6 Φ2.0 |
500 |
600 |
| Φ2.5 Φ3.2 |
600 |
750 |
| Cu(Copper) |
TP |
CuNi45(Copel) |
TN |
Φ0.2 Φ0.3 |
150 |
200 |
| Φ0.5 Φ0.8 |
200 |
250 |
| Φ1.0 Φ1.2 |
250 |
300 |
| Φ1.6 Φ2.0 |
300 |
350 |
Normal composition%
| Nickel |
95 |
Manganese |
2 |
| Aluminium |
2 |
Silicon |
1 |
Or
| Nickel |
97 |
Manganese |
0 |
| Chromium |
3 |
Silicon |
0 |
Properties of Alumel:
| CHARACTERISTICS: |
|
| Temperature coefficient |
0.00032 K−1 |
| Electrical resistivity |
0.294 µΩ m |
| Mechanical properties |
|
| Elongation at break |
<44% |
| Thermal conductivity |
30 W/m/K |
| Tensile strength |
620-780 MPa |
Style of supply
| Alloys Name |
Type |
Dimension |
| Chromel-W |
Wire |
D=0.05mm~12mm |
| Chromel-R |
Ribbon |
W=0.5-10m |
T=0.05~1.5mm |
| Chromel-S |
Strip |
W=10~150mm |
T=0.1~3.0 |
| Chromel-B |
Bar |
Dia=5-12mm |
L=50~1500 |
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