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Annealed Nichrome Alloy Bright Soft 1.09 Resistivity 1400 C Melting Point

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Annealed Nichrome Alloy Bright Soft 1.09 Resistivity 1400 C Melting Point

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Large Image :  Annealed Nichrome Alloy Bright Soft 1.09 Resistivity 1400 C Melting Point Get Best Price

Product Details:
Place of Origin: China
Brand Name: Ohmalloy
Certification: BG
Model Number: ohmalloy109
Payment & Shipping Terms:
Minimum Order Quantity: 10KG
Price: USD 24-50 per KG
Packaging Details: Spool
Delivery Time: 7-10 working days
Payment Terms: L/C, D/A,
Supply Ability: 500 tons per year
Detailed Product Description
Density: 8.4g/cm3 Electrical Resistivity: 1.09
Conductivity Coefficient At 20 C: 15 Wmk Melting Point: 1400 C
Operating Temperature: 1200 C Magnetic Properties: Non-magnetic
High Light:

nichrome wire


nichrome resistance wire

(Common Name: Ni80Cr20,Nikrothal 8,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,Alloy 650,N8,Resistohm 80, Stablohm 650,Nichorme V,Nikrothal 80.)


Nichrome has a silvery gray coloration. Nichrome wires are quite oxidation resistant. When at a high temperature environment, up to 1200 C (Nicr 8020), both nickle oxide and chromium oxide will be formed. As chromium oxide is more stable than nickel oxide, a layer of chromium oxide will be formed on the surface of the nichrome wire. The diffusion rate D of oxygen through chromium oxide is very low, which is 10-14 cm2/sec.
In order to have enough resistance, mental conduct wires always are designed into thin form. They process of oxidation will be quick, making them brittle and break when heated in air. By contrast, not only does nichrome have a excellent oxidation resistant, it also has a good ductility after high temperature use. Besides that, nichrome alloys have a higher emissivity compared to other air-stable resistance alloys. Nichrome alloys will endure a lower element temperature at the same surface load. Moreover, Nichrome alloys will be preferred in low-temperature applications because of its non-magnetic feature. It also has a higher hot and creep strength, wet corrosion resistance and good wear resistance.

A marked increase in electrical resistivity is observed with increasing chromium additions. An addition level of 20% chromium is considered the optimum for electrical resistance wires suitable for heating elements. This composition combines good electrical properties with good strength and ductility, making it suitable for wire drawing.

Application Examples

Nichrome is used to prepare bridgewire for electric ignition systems like model rocket igniters, electric matches and electronic cigarettes.
Nichrome wires are used to test the flame color in the non-illuminated parts of cation fire from the cations of sodium, copper, potassium and calcium.
Nichrome is also used in microbiological laboratories.
This substance is used in the manufacturing of motorcycle silencers.

Normal composition%

C P S Mn Si Cr Ni Al Fe Other
0.03 0.02 0.015 0.60 0.75~1.60 20.0~23.0 Bal. Max 0.50 Max 1.0 -


Typical Mechanical properties(1.0mm)

Yield strength Tensile Strength Elongation
Mpa Mpa %
420 810 30


Typical Physical properties

Density (g/cm3) 8.4
Electrical resistivity at 20℃(Ωmm2/m) 1.09
Conductivity coefficient at 20℃ (WmK) 15



Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃ 18



Specific heat capacity
Temperature 20℃
J/gK 0.46


Melting point (℃) 1400
Max continuous operating temperature in air (℃) 1200
Magnetic properties non-magnetic


Temperature Factors Of Electrical Resistivity
20℃ 100℃ 200℃ 300℃ 400℃ 600℃
1 1.006 1.012 1.018 1.025 1.018
700℃ 800℃ 900℃ 1000℃ 1100℃ 1300℃
1.01 1.008 1.01 1.014 1.021 -


Style of supply

Alloys Name Type Dimension
OhmAlloy109W Wire D=0.03mm~8mm
OhmAlloy109R Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy109S Strip W=8~250mm T=0.1~3.0
OhmAlloy109F Foil W=6~120mm T=0.003~0.1
OhmAlloy109B Bar Dia=8~100mm L=50~1000


Annealed Nichrome Alloy Bright Soft 1.09 Resistivity 1400 C Melting Point 0

Contact Details
Ohmalloy Material Co.,Ltd

Contact Person: Jiang

Tel: +8613795230939

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