Thermothal P (EP) 0.5mm*4mm Strip

Model NO.: E Status: Bright or Oxidized Trademark: UALLOY Origin: Zhejiang China Size: 0.5mm*4mm MOQ: 30-50kg Specification: Customized HS Code: 7505220000
Thermothal P(EP) 0.5mm*4mm 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

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