China 0.02mm To 8mm FeCrAl Alloy Resistance Wire Used For Heating Elements (CrAl 25/5) Manufacture and Factory

0.02mm To 8mm FeCrAl Alloy Resistance Wire Used For Heating Elements (CrAl 25/5)

Short Description:

1Cr13Al4, 0Cr19Al3, 0Cr25Al5, 0Cr23Al5, 0Cr21Al6, 0Cr21Al4, 0Cr21Al6Nb, 0Cr27Al7Mo2 is one kind of normal material of Fe-Cr-Al alloy. FeCrAl alloy has the characteristic of high resistivity,low temperature resistance coefficient,high operating temperature,goodanti-oxidation and anti-corrosion under high temperature. It is widely used in industrial furnace, household appliances, industry furnace, metallurgy, machinery, aircraft, automotive, and other industries producing heating elements and resistance elements.

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0.02mm To 8mm FeCrAl Alloy Resistance Wire Used For Heating Elements (CrAl 25/5)

Resistance Wire made of Nickel Chrome Alloys, Nickel Chrome Iron Alloys, Iron Chrome Aluminium Alloys, Copper Nickel Alloys.

Mainly used in heater, heating element and resistor, etc.

NiCr 80/20, NiCr 70/30, NiCr 60/15, NiCr 35/20

CrAl 15-5, CrAl 20-5, CrAl 25-5, etc...

Constantan, Alloy 30, Alloy 60, Alloy 90, etc.

Electric Resistivity from 0.02 u ohm/m-1.53 u ohm/m

Operate Temperature from 200 C to 1400 C

Pls be free to contact us if there is any question.

NiCr:
RESISTOHM 20, RESISTOHM 30, RESISTOHM 40, RESISTOHM 60, RESISTOHM 70, RESISTOHM 80

FeCrAl:
RESISTOHM 125, RESISTOHM 135, RESISTOHM 140,
RESISTOHM 145, RESISTOHM 153

CuNi
Constantan, Cuprothal 5, Cuprothal 10, Cuprothal 15, Cuprothal 30, Eurica

FeCrAl Alloy Grade	Chemical Composition %
C	P	S	Mn	Si	Cr	Ni	Al	Fe	Re	Others
max(≤)
1Cr13Al4	0.12	0.025	0.025	0.7	≤1.00	12.5-15.0	----	3.5-4.5	0.1	Bal.
0Cr15Al5	0.12	0.025	0.025	0.7	≤1.00	14.5-15.5	----	4.5-5.3	0.1	Bal.
0Cr25Al5	0.06	0.025	0.025	0.7	≤0.60	23.0-26.0	≤0.60	4.5-6.5	0.1	Bal.
0Cr23Al5	0.06	0.025	0.025	0.7	≤0.60	20.5-23.5	≤0.60	4.2-5.3	0.1	Bal.
0Cr21Al6	0.06	0.025	0.025	0.7	≤1.00	19.0-22.0	≤0.60	5.0-7.0	0.1	Bal.
0Cr21Al4	0.06	0.025	0.025	0.7	≤1.00	21.0-23.0	≤0.60	3.0-5.2	0.1	Bal.
0Cr21Al6Nb	0.05	0.025	0.025	0.7	≤0.60	21.0-23.0	≤0.60	5.0-7.0	0.1	Bal.
0Cr27Al7Mo2	0.05	0.025	0.025	0.7	≤0.40	26.5-27.8	≤0.60	6.0-7.0	0.1	Bal.

Chemical Composition and Propertes:

Propertes/Grade		NiCr 80/20	NiCr 70/30	NiCr 60/15	NiCr 35/20	NiCr 30/20
Main Chemical Composition(%)	Ni	Bal.	Bal.	55.0-61.0	34.0-37.0	30.0-34.0
	Cr	20.0-23.0	28.0-31.0	15.0-18.0	18.0-21.0	18.0-21.0
	Fe	≤ 1.0	≤ 1.0	Bal.	Bal.	Bal.
Max Working Temperature(ºC)		1200	1250	1150	1100	1100
Resistivity at 20ºC (μ Ω · m)		1.09	1.18	1.12	1.04	1.04
Density(g/cm3)		8.4	8.1	8.2	7.9	7.9
Thermal Conductivity(KJ/m· h· ºC)		60.3	45.2	45.2	43.8	43.8
Coefficient of Thermal Expansion(α × 10-6/ºC)		18	17	17	19	19
Melting Point(ºC)		1400	1380	1390	1390	1390
Elongation(%)		> 20	> 20	> 20	> 20	> 20
Micrographic Structure		austenite	austenite	austenite	austenite	austenite
Magnetic Property		nonmagnetic	nonmagnetic	nonmagnetic	nonmagnetic	nonmagnetic

CuNi Alloys Grade	Electrical resistivity (20degreeΩ mm² /m)	temperature coefficient of resistance (10^6/degree)	Density g/mm²	Max. temperature (degree)	Melting point (degree)
CuNi1	0.03	< 1000	8.9	200	1085
CuNi2	0.05	< 1200	8.9	200	1090
CuNi6	0.10	< 600	8.9	220	1095
CuNi8	0.12	< 570	8.9	250	1097
CuNi10	0.15	< 500	8.9	250	1100
CuNi14	0.20	< 380	8.9	300	1115
CuNi19	0.25	< 250	8.9	300	1135
CuNi22	0.30	< 160	8.9	300	1150
CuNi30	0.35	< 100	8.9	350	1170
CuNi34	0.40	-0	8.9	350	1180
CuNi40	0.48	± 40	8.9	400	1280
CuNi44	0.50	< -6	8.9	400	1280