NiCr 80/20/RESISTOHM 145/CrAl 25-5 Resistance Wire/Resistance Strip for Resistor

• Customization: Available
• Product Type: Wire
• Material: Fecral Alloy
• Model NO.: CrAl 20/5
• Resistivity: 0.95~1.45 ohm mm2/m
• Max Working Temperature: 950~1450 C
• Hardness: Hard, Soft, Half Hard
• Package: Bobbin/Coil
• Surface: bright, acid pickling, golden, oxidized color
• Shape 1: Wire
• Shape 2: Rod
• Shape 3: Ribbon
• Shape 4: Strip
• Shape 5: Foil
• Transport Package: Waterproof Paper, Wooden Case
• Specification: RoHS, ISO 9001: 2008
• Trademark: TANKII
• Origin: Shanghai, China
• HS Code: 7505220000
• Production Capacity: 5000 Tons/Year

Product Description

Resistance Wire/Resistance Strip for Resistor

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