Russian Standard Type L Thermocouple Bare Wire

• Type: Bare
• Conductor Type: Solid
• Application: Overhead, Heating, Underground
• Conductor Material: Chromel and CuNi
• Material Shape: Round Wire
• Range of Application: Temperature Measurement
• Model NO.: L
• Certification: ISO9001, CE, CCC, RoHS
• Chemical Compositon: Chromel and CuNi
• Kp: Chromel
• Kn: CuNi
• Temperature Range: -200~1200
• Samples: Available
• Types: Any Type Available
• Grade: I/II/III
• Transport Package: Roll/Wooden Case/or Other
• Specification: 0.2-3.2mm
• Trademark: UALLOY
• Origin: Zhejiang China
• HS Code: 75052200
• Production Capacity: a Ton/Week

Product Description

Russian Standard Type L thermocouple bare wire

1. Chemical Composition

Material	Chemical composition (%)
	Ni	Cr	Cu	Mn	Al
LP(Chromel)	90	10
LN(Copel)	44		Bal	0.5-1

2. Physical propertiesand Mechnical properties

Material	Density(g/cm^3)	Melting pointºC)	Tensile Strength(Mpa)	Volume resistivity(μΩ.cm)	Elongation rate (%)
LP(Chromel)	8.5	1427	>490	70.6(20ºC)	>25
LN(Copel)	8.8	1220	>390	49.0(20ºC)	>25

3. EMF Value range at different temperature

Material	EMF value Vs Pt(μV)
	100ºC	200ºC	300ºC	400ºC	500ºC
LP(Chromel)	6.750~6.970	14.436~14.678	22.711~22.967	31.348~31.628	40.116~40.468
LN(Copel)

 

EMF value Vs Pt(μV)
600ºC	700ºC	800ºC	1000ºC	1100ºC
48.887~49.309	57.612~58.100	66.200~66.738

4.Production Process