AWG20 Type K thermocouple Chromel Alumel Wire
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 |
FAQ:
1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.
2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.
3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.
4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.
5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.
6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.
Audited Supplier 
){kind=link}