AWG 24 0.511mm Type K Bare Wire with Superior Oxidation Resistance

• Type: Bare
• Conductor Type: Solid
• Application: Thermocouple Wires
• Conductor Material: Chromel/Alumel
• Material Shape: Round Wire
• Range of Application: Machinery,Thermocouple,Electricity
• Model NO.: TK -B-1128
• Certification: ISO9001, ANSI
• Brand: Ohmalloy
• Transport Package: 100m/Spool, 305m/Spool, 1000FT/Spool, 1000m/Spool
• Specification: 0.511mm
• Trademark: OHMALLOY
• Origin: China
• Production Capacity: 500000meters Per Month

Product Description

AWG 24  0.511mm Type K Bare Wire with superior oxidation resistance 

Description:

• Type: K, E, J, T, N, etc
• Style: bright or oxidized
• Application: forming two hot electrodes of thermocouple or compensating cable
• Place of Origin: Jiangsu, China (Mainland)
• Brand Name: Thermocouple wire
• Product Size: 0.05mm to 10.0mm
• Delivery time: 7-20days which is according to quantity
• Eco-friendly: Yes
• MOQ: 1kgs
• Trade term: FOB, EXW, CIF, CFR
• Payment term: T/T, Western Union, L/C
• Certificate: ISO,CQC ROHS
• Making sample time: all type in stock
• Advantage: high quality with high measuring accuracy, fast thermal response, high mechanical strength, long service lifetime, wide temp measuring range of -200-1300centigrade

Classification for thermocouple Type K Wire

• Thermocouple level (high temperature level). This type of thermocouple wire is mainly suitable for thermocouple type K, J, E, T, N and L and other high temperature detection instrument, temperature sensor, etc.
• Compensating wire level (low temperature level). This type of thermocouple wire is mainly suitable for compensating cable and extension wire of various thermocouples of type S, R, B, K, E, J, T, N and L, heating cable, control cable and so on.

Thermocouple variety and index for thermocouple Type K wire

Thermocouple Variety and Index
Variety	Type	Measurement Range(°C)
NiCr-NiSi	K	-200-1300
NiCr-CuNi	E	-200-900
Fe-CuNi	J	-40-750
Cu-CuNi	T	-200-350
NiCrSi-NiSi	N	-200-1300
NiCr-AuFe0.07	NiCr-AuFe0.07	-270-0

 

Thermocouple type and grade for thermocouple Type K wire

Thermocouple Type	Grade	Temperature Range(°C)	Allowable Deviation
type K and type N	I	-40-1100	±1.5°C or±0.4%t
	II	-40-1300	±2.5°C or ±0.75%t
	III	-200-40	±2.5°C or ±1.5%t
type E	I	-40-1100	±1.5°C or ±0.4%t
	II	-40-1300	±2.5°C or ±0.75%t
	III	-200-40	±2.5°C or±1.5%t
type J	I	-40-750	±1.5°C or ±0.4%t
	II	-40-750	±2.5°C or ±0.75%t
type T	I	-40-350	±0.5°C or± 0.4%t
	II	-40-350	±1.0°C or± 0.75%t
	III	-200-40	±1.0°C or± 1.5%t
NiCr-AuFe0.07	I	-270-0	±0.5°C
	II		±1.0°C

Specification of alloy wires for thermocouple TYPE K wire

Anode		Cathode		Diameter(mm)	Maximum Temperature(°C)
name	code	name	code		long-time using	short-time using
NiCr10(Chromel)	KP	NiSi3(Alumel)	KN	Φ0.3	700	800
				Φ0.5	800	900
				Φ0.8 Φ1.0	900	1000
				Φ1.2 Φ1.6	1000	1100
				Φ2.0 Φ2.5	1100	1200
NiCr14.2Si	NP	NiSi4	NN	Φ3.2	1200	1300
NiCr10(Chromel)	EP	CuNi45(Copel)	EN	Φ0.3 Φ0.5	350	450
				Φ0.8 Φ1.0 Φ1.2	450	550
				Φ1.6 Φ2.0	550	650
				Φ2.5	650	750
				Φ3.2	750	900
Fe(Iron)	JP	CuNi45(Copel)	JN	Φ0.3 Φ0.5	300	400
				Φ0.8 Φ1.0 Φ1.2	400	500
				Φ1.6 Φ2.0	500	600
				Φ2.5 Φ3.2	600	750
Cu(Copper)	TP	CuNi45(Copel)	TN	Φ0.2 Φ0.3	150	200
				Φ0.5 Φ0.8	200	250
				Φ1.0 Φ1.2	250	300
				Φ1.6 Φ2.0	300	350

Specification:

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)	95		1-2	0.5-1.5	1-1.5

 

2. Physical properties and Mechnical properties

Material	Density(g/cm3)	Melting point(ºC)	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

 

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

 

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