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NiCr7030 High Temperature Alloy Nichrome Electrical Resistance Wire

Material: NiCr7030, NiCr8020, NiCr6015, NiCr3520, NiCr3020
Round Wire: 0.05-10mm
Flat Ribbon: 0.1-1mm x 0.5-5mm
Surface: Bright, Original, Pickling White
State: Soft Annealed, Half Hard, Hard
Application: Resistor, Heating Element, Resistance Furnace, Household Appliances, Precision Instruments & Meters, etc.
Packing: On Spool / In Coils - Carton / Woven Bag - Pallet or Wooden Case

Product Description

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Alloy Nomenclature Performance		Cr20Ni80	Cr30Ni70	Cr15Ni60	Cr20Ni35	Cr20Ni30
Main Chemical Composition	Ni	Rest	Rest	55-61	34-37	30-34
	Cr	20-23	28-31	15-18	18-21	18-21
	Fe	≤1.0	≤1.0	Rest	Rest	Rest
Max. continuous service temp. of element		1200	1250	1150	1100	1100
Resistivity at 20ºC (μΩ·m)		1.09	1.18	1.12	1.00	1.04
Density (g/cm 3 )		8.40	8.10	8.20	7.90	7.90
Thermal conductivity (KJ/m·h·ºC)		60.3	45.2	45.2	43.8	43.8
Coefficient of lines expansion (α×10 -6 /ºC)		18.0	17.0	17.0	19.0	19.0
Melting point (approx.) (ºC)		1400	1380	1390	1390	1390
Elongation at rupture (%)		>20	>20	>20	>20	>20
Micrographic structure		Austenlte	Austenlte	Austenlte	Austenlte	Austenlte
Magnetic properties		Nonmagnetic	Nonmagnetic	Weak Magnetic	Weak Magnetic	Weak Magnetic

1

Plate/Strip Cutting

We can cut the sheet plates and strips as you required.

2

Surface Treatment

We offer different surface treatments like brushed, mirror, painting etc. for your sheet, strips.

3

Laser Cutting

We offer laser cutting service for your OEM requirements.

4

Material Process

We can make flanges, springs, woven belts, curly furnace wires, etc.

7*24 Hours Service

Have an excellent after-sales service team to ensure that the first time to solve customer after-sales problems.

Reasonable Price

More than 10 precision production line, easy to realize large quantities of goods, to provide you with the best price.

High-temperature nickel-based alloys are widely used in electric resistance heating applications, primarily due to their excellent high-temperature stability, oxidation resistance, corrosion resistance, and favorable electrical resistivity properties.

Electric Heat and Resistance
High-temperature nickel-based alloys are widely used in high-temperature industrial equipment due to their excellent thermal stability, oxidation and corrosion resistance, and superior mechanical strength at elevated temperatures.

High Temperature Industrial Equipment
High-temperature nickel-based alloys are widely used in the petrochemical industry under high-temperature, high-pressure, and highly corrosive environments due to their excellent heat resistance, corrosion resistance, and creep resistance.

Petrochemical Industry
High-temperature nickel-based alloys have become critical materials for modern aerospace engines and high-temperature components due to their exceptional high-temperature strength, oxidation resistance, creep resistance, and fatigue resistance.

Aerospace Industry