Product Info
Electrical materials (Wire･Ribbon･Plate･Coil･Foil)	Alloy wire for electricity (Nickel Chrome,Fe-Chrome)	NCH1 Nickel Chrome Heating Wire Type 1（NCHW1,NCHR1,NCH1P,NCH1） NCH2 Nickel Chrome Type 2（NCHW2,NCHR2,NCH2P,NCH2） FCH1 Fe-Chrome Type 1（FCHW1,FCHR1） No.30（Fe-Chrome Type 1） FCH2 Fe-Chrome Type 2（FCHW2,FCHR2） Kanthal A-1 Fe-Chrome（Kanthal A-1） Kanthal AF Fe-Chrome（Kanthal AF） Kanthal D Fe-Chrome（Kanthal D）
Electric resistance wire (Copper Nickel,Manganese Nickel)	CN49 Copper Nickel No 49（CN49W,CN49R,CN49P,CN49） CN30 Copper Nickel（CN30W,CN30R,CN30P,CN30） CN15 Copper Nickel（CN15W,CN15R,CN15P,CN15） CN10 Copper Nickel（CN10W,CN10R,CN10P,CN10） CN5 Copper Nickel（CN5W,CN5R,CN5P,CN5） CM44 Copper Nickel Mangan Wire（CM44W,CM44R,CM44P,CMP,CMR,CM44） NLX Precision Resistance Wire（NIKROTHAL LX）
Nickel and Nickel Alloys	Pure Nickel Wire (Wire･Ribbon･Plate･Coil･Foil)	Ni Pure Nickel Wire（NiW,NiR,NiP,Ni）
Nickel Alloy (Wire･Ribbon)	Monel400 (Nickel Alloy Wire,Ribbon) 2%MnNi (2% Nickel Alloy Wire,Ribbon) 52%NiFe (52% Nickel Alloy Wire,Ribbon) 42%NiFe (42% Nickel Alloy Wire,Ribbon) KOV （Kovar）
Copper alloy products		PBW2,PBW3（phosphor-bronzewire）
Stainless steel wire		SUS304 Stainless steel SUS310S Stainless steel SUS316L Stainless steel
Spiral Process Thermocouple Alloys Insulating Coatings Spool Wire Drawing Technology Rolling Process Twisted Wire

Kanthal A-1　Fe-Chrome Heating Wire

Code：A-1 (Kanthal A-1)

Properties and Applications

A high temperature alloy used up to an exothermic temperature of 1,400°C. Commonly used in high temperature furnaces in the heat treatment, ceramic glass, steel and electronics industries. It has better oxidation resistance than AF at temperatures above

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Product Details

Electrical Resistivity [μΩm]
1.45

Thermal Expansion Coefficient ×10-6/	Density g/cm3 (20℃)	Melting Point ℃	Max Operating Temperature ℃
15.0	7.10	1500	1400

Chemical Composition	Cr	Al	Fe	Other
(％)	22	5.8	BAL	Fe+Special Additives

Resistance increase by temperature

℃	20	100	200	300	400	500	600	700	800	900	1000	1100	1200	1400
Coefficient	1.000	1.000	1.000	1.000	1.000	10.10	1.020	1.030	1.030	1.030	1.040	1.040	1.040	1.050

Alloys	Metal type	Diameter (mm)
Coefficient	1.000	1.009	1.024

Alloys	Type	Diameter (mm）
A-1	Wire	φ10.0～1.00
A-1	Ribbon	t=2.90~0.05	w=20、25、30

Kanthal A-1 (Fe-Chrome)【Resistance・Length・Weight】】

〔Wire〕
Alloys	Electrical Resistivity (20℃μΩｍ)
Kanthal A-1	1.45

Diameter (mm)	Tolerance (mm)	Cross section (mm2)	Resistance Tolerance (%)	Resistance Tolerance (Ω/ｍ)	Length (ｍ/Kg)	Weight (ｇ/ｍ)
10.00	±0.06	78.50	±5	0.01847	1.794	557.4
9.50	±0.05	70.85	±5	0.02047	1.988	503.0
8.25	±0.05	53.43	±5	0.02714	2.636	379.3
8.00	±0.05	50.24	±5	0.02886	2.803	356.7
6.00	±0.04	28.26	±5	0.05131	4.984	200.6
5.00	±0.03	19.63	±5	0.07389	7.177	139.3
4.50	±0.03	15.90	±5	0.09122	8.860	112.9
4.00	±0.03	12.56	±5	0.1154	11.21	89.18
3.50	±0.03	9.616	±5	0.1508	14.65	68.28
3.25	±0.03	8.292	±5	0.1749	16.99	58.87
3.20	±0.03	8.038	±5	0.1804	17.52	57.07
3.00	±0.03	7.065	±5	0.2052	19.94	50.16
2.90	±0.02	6.602	±5	0.2196	21.33	46.87
2.80	±0.02	6.154	±5	0.2356	22.89	43.70
2.60	±0.02	5.307	±5	0.2732	26.54	37.68
2.50	±0.02	4.906	±5	0.2955	28.71	34.83
2.30	±0.02	4.153	±5	0.3492	33.92	29.48
2.00	±0.02	3.140	±5	0.4618	44.86	22.29
1.80	±0.02	2.543	±5	0.5701	55.38	18.06
1.60	±0.02	2.010	±5	0.7215	70.09	14.27
1.50	±0.02	1.766	±5	0.8209	79.74	12.54
1.40	±0.02	1.539	±5	0.9424	91.54	10.92
1.30	±0.02	1.327	±5	1.093	106.2	9.419
1.20	±0.02	1.130	±5	1.283	124.6	8.026
1.10	±0.02	0.9499	±5	1.527	148.3	6.744
1.00	±0.02	0.7850	±5	1.847	179.4	5.574

Kanthal A-1 (Fe-Chrome)【Temperature Current Characteristics・Diameter・Temperature・Current】

[Unit：Ampere]
Diameter (mm)	200 (℃)	300 (℃)	400 (℃)	500 (℃)	600 (℃)	700 (℃)	800 (℃)	900 (℃)	1000 (℃)	1100 (℃)
8.25	63.6	88.8	111	135	167	200	241	281	326	370
8.00	52.5	73.3	92.5	111	133	163	200	233	266	303
6.00	41.4	57.7	72.5	88.1	109	130	155	185	215	241
5.00	31.8	43.7	55.5	66.6	82.9	100	121	141	163	185
4.50	26.6	37.0	47.4	57.0	69.6	85.1	104	118	141	159
4.00	22.9	31.1	40.0	48.1	59.2	69.6	83.6	98.4	118	133
3.50	18.5	25.2	32.6	39.2	48.8	57.7	71.0	83.6	96.2	111
3.20	16.3	22.2	28.9	34.0	42.2	50.3	61.4	72.5	84.4	96.2
2.90	13.9	19.2	25.2	29.6	36.3	43.7	53.3	62.2	72.5	82.1
2.60	11.5	16.3	20.7	25.2	31.1	37.0	45.9	53.3	61.4	68.8
2.30	9.77	13.4	17.8	21.5	25.9	31.1	38.5	44.4	51.1	58.5
2.00	8.14	11.1	14.8	17.8	21.5	25.9	30.3	36.3	41.4	47.4
1.80	7.18	9.77	12.8	15.5	18.5	22.2	24.4	31.1	35.5	40.7
1.60	6.07	8.36	11.1	13.0	15.5	19.2	22.9	25.9	30.3	34.0
1.50	5.62	7.70	10.1	11.8	14.4	17.0	20.7	23.7	27.4	31.1
1.40	5.18	7.03	9.25	10.8	13.3	15.5	19.2	21.5	25.2	28.9
1.30	4.74	6.44	8.36	9.84	12.0	14.1	17.0	19.2	22.2	25.9
1.20	4.37	5.77	7.77	8.73	10.4	11.9	14.8	17.0	20.0	22.9
1.10	3.85	5.18	6.66	7.99	9.62	11.4	13.5	15.5	17.8	20.0
1.00	3.48	4.51	5.92	6.96	8.51	9.99	11.5	13.0	14.8	17.0

(*)Reference value

Kanthal A-1 Ribbon【Resistance・Length・Weight】

[Ribbon]
Alloys	Electrical Resistivity (20℃μΩｍ)
Kanthal A-1	1.45

Method (mm)	Cross section (mm2)	Resistance Tolerance (％)	Resistance Tolerance (Ω/ｍ)	Length (ｍ/Kg)	Weight (ｇ/ｍ)
3.0×30	88.20	±5	0.01611	1.565	639.0
2.0×25	49.00	±5	0.02900	2.817	355.0
2.5×25	61.25	±5	0.02320	2.254	443.8
2.0×20	39.20	±5	0.03625	3.521	284.0

Conductor Resistance Tolerance of Ribbon

Thickness [mm]	Width [mm]	Resitance Tolerance [%]
0.08above　3.15below	10below	±8
0.08above　3.15below	10above	±7

*We can manufacture products other than the standard (size and tolerance), so please contact us.

Kanthal A-1 Fe-Chrome Heating Wire