Thermocouple Strip 0.8*25mm K-Type Bright Alumel Strip

• Type: Bare
• Conductor Type: Solid
• Application: Overhead, Heating, Underground
• Conductor Material: Chromel Alumel
• Material Shape: Round Wire
• Range of Application: Mine
• Model NO.: KPKN
• Certification: ISO9001, RoHS
• Temperature Range: -200~1200
• Positive Pole: Chromel
• Negative Pole: Alumel
• Sample: Available
• Types: Any Type Available
• Transport Package: Roll/Wooden Case
• Specification: 0.3mm-3.2mm
• Trademark: Ualloy
• Origin: Zhejiang China
• HS Code: 9025900090
• Production Capacity: 10000m/Week

Product Description

Thermocouple strip 0.8*50mm bright alumel strip

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 (%)
	Ni	Cr	Si	Mn	Al
KP(Chromel)	90	10
KN(Alumel)	97		3

2. Physical properties and Mechnical properties

Material	Density(g/cm3)	Melting pointºC)	Tensile Strength (Mpa)	Volume resistivity (μΩ.cm)	Elongation rate (%)
KP(Chromel)	8.5	1427	>490	70.6(20ºC)	>10
KN(Alumel)	8.6	1399	>390	29.4(20ºC)	>15

 

3. EMF Value range at different temperature

Material	EMF value Vs Pt(μV)
	100ºC	200ºC	300ºC	400ºC	500ºC	600ºC
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