TC2234 Type K Thermocouple Wire

Catalog No.	TC2234
Material	NiCr-NiSi
Density	8.6 g/cm3
M.O.Q	$300
Working Temperature	-200-1300 °C

As a leading global supplier of thermocouple wires, Stanford Advanced Materials (SAM) provides consistently high-quality Type K Thermocouple Wire that are easily available, and we're capable of supplying custom products per any specs you provide us with.

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Description of Type K Thermocouple Wire

NiCr-NiSi (Type K) thermocouple finds the widest use in all base metal thermocouple, at a temperature above 500 ° C. It’s inexpensive, accurate, reliable, and has a wide temperature range. The type K is commonly found in nuclear applications because of its relative radiation hardness. Its maximum continuous working temperature is around 1,100 °C.

TC2234 Type K Thermocouple Wire

Specifications of Type K Thermocouple Wire

Type	Chemical composition %
Type	Ni	Cr	Mn	Si	Al
NiCr(anode)	90	10	/	/	/
NiSi(cathode)	97	/	/	3	/

Type	EMF Versus Pt.67 （mV）
Type	100°C	200°C	400°C	600°C	800°C
NiCr(KP)	2.826-2.886	5.937-6.017	12.729-12.821	19.532-19.676	26.064-26.246
NiSi(KN)	1.224-1.256	2.140-2.180	3.600-3.644	5.271-5.331	7.080-7.160
NiCr-NiSi(KP-KN)	4.050-4.187	8.077-8.197	16.329-16.465	24.803-25.007	33.144-33.46

Type	Density at 20°C(g/m3)	Melting point (°C)	Tensile Strength(Soft annealed condition in 20°C)(Mpa)	Elongation (Soft annealed condition in 20°C)(%)	Resistivity at 20°C (μΩ.m)
NiCr(KP)	8.6	1427	≥490	≥10	0.71
NiSi(KN)	8.6	1360	≥390	≥15	0.3

Applications of Type K Thermocouple Wire

- Used to make thermocouple wires

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