Bright Type N Nicrsi Nisimg Nnx Npx Thermocouple Bare Wire for Extension Cable

• Type: Bare
• Conductor Type: Solid
• Application: Thermocouple Extension Wire
• Conductor Material: Nicrsi Nisimg
• Material Shape: Round Wire
• Range of Application: Thermocouple Wire
• Model NO.: SP-NX-BW
• Certification: ISO9001
• Name: Bright Type N Nicrsi Nisimg Nnx Npx Thermocouple B
• Wire Surface: Bright or Oxidized(Depends on Diameter)
• Wire Material: Nicrsi(Positive) Nisimg(Negative)
• Standard: Gbt 4990-2010
• Emf Testing Method: Oil Tank
• Accuracy: Class 1
• Transport Package: Coil+Plywood Case
• Specification: 0.08-12mm
• Trademark: OHMALLOY
• Origin: China
• HS Code: 75052200
• Production Capacity: 30 Tons Per Month

Product Description

 TYPE N  (NiCrSi Vs.NiCrMg) 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	Mg	Al
NP(NiCrSi)	bal	13.7-14.7	1.2-1.6	<0.01
NN(NiCrMg)	bal	<0.02	4.2-4.6	0.5~1.5

2. Physical properties and Mechnical properties
 

Material	Density(g/cm^3)	Melting pointºC)	Tensile Strength(Mpa)	Volume resistivity(μΩ.cm)	Elongation rate (%)
NP(NiCrSi)	8.5	1410	>620	100.0 (20ºC)	>30
NN(NiCrMg)	8.6	1340	>550	33.0(20ºC)	>35

3. EMF Value range at different temperature
 

Material	EMF value Vs Pt(μV)
	100ºC	200ºC	300ºC	400ºC	500ºC	600ºC
NP(NiCrSi)	1755~1813	3910~3976	6313~6383	8880~8959	11552~11654	14307~14433
NN(NiCrMg)	975~1005	1954~1986	2975~3011	4035~4075	5120~5170	6212~6274

 

EMF value Vs Pt(μV)
700ºC	800ºC	900ºC	1000ºC	1100ºC
17129~17275	20010~20178	22951~23139	25943~26149	28972~29194
7288~7362	8318~8402	9281~9373	10159~10261	10948~11060