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Home Products Bare Thermocouple Wire

KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG

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FeCrAl Alloy (161)

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Really professional in thermocouple wire and cable, what i want just can get from OHMALLOY

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KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG

Large Image : KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG Get Best Price

Product Details:

Place of Origin:	China
Brand Name:	OHMALLOY/OEM
Certification:	ISO9001:2018
Model Number:	SP-K-B

Payment & Shipping Terms:

Minimum Order Quantity:	5KG
Packaging Details:	Coil+plywood case
Delivery Time:	5-18 working days after payment confirmed
Payment Terms:	L/C, T/T, , MoneyGram,Paypal
Supply Ability:	30 tons per month

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Detailed Product Description

Name:	K Type Thermocouple Bare Wire	Size:	8AWG(3.2mm)/16AWG(1.29mm)/20AWG(0.8mm)
Shape:	Round Wire	Surface:	Bright
Accuracy:	Class 1	Package:	Coil+plywood Case
Highlight:	K Type Bare Thermocouple Wire , 20AWG Bare Thermocouple Wire , Bright Bare Thermocouple Wire

Type K Thermocouple

TYPE K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.

1. Chemical Composition

Material	Chemical composition (%)
Material	Ni	Cr	Si	Mn	Al
KP(Chromel)	90	10
KN(Alumel)	95		1-2	0.5-1.5	1-1.5

2. Physical properties and Mechnical properties

Material

Density

(g/cm³)

Melting point℃)

Tensile Strength

(Mpa)

Volume resistivity(μΩ.cm)

Elongation rate (%)

Diameter tolerance(mm)

KP(Chromel)

70.6(20℃)

+/- 0.02

KN(Alumel)

29.4(20℃)

+/- 0.02

3. EMF Value range at different temperature

Material	EMF value Vs Pt(μV)
Material	100℃	200℃	300℃	400℃	500℃	600℃
KP(Chromel)	2816~2896	5938~6018	9298~9378	12729~12821	16156~16266	19532~19676
KN(Alumel)	1218~1262	2140~2180	2849~2893	3600~3644	4403~4463	5271~5331

EMF value Vs Pt(μV)
700℃	800℃	900℃	1000℃	1100℃
22845~22999	26064~26246	29223~29411	32313~32525	35336~35548
6167~6247	7080~7160	7959~8059	8807~8907	9617~9737