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0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface

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0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface

0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface
0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface 0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface 0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface 0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface

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Product Details:
Place of Origin: Shanghai, China
Brand Name: TANKII
Certification: ISO9001:2008
Model Number: NiCr35/20
Payment & Shipping Terms:
Minimum Order Quantity: 20kg
Price: To negotiate
Packaging Details: spool, coil, carton or plywood case with plastic film according to clients' requirements
Delivery Time: 7-20 days
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 200+TON+MONTH

0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface

Description
Usage: Resistors Like Brake Resistor, Etching Resistor Model Name: NiCr80/20, NiCr60/15, NiCr35/20, NiCr30/20...
Nickel Content: According To The Material Carbon: Low Carbon
Surface: Bright, Annealed Treatment: Hot Rolled Or Cold Rolled
High Light:

nichrome resistance wire

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nichrome wire

0.02-0.15mm Thickness Nichrome Alloy Foil for Etching Resistor Application

 

 

 Nichrome Alloy Introduction

The nickel-chromium system shows that chromium is quite soluble in nickel. This is a maximum at 47% at the eutectic temperature and drops off to about 30% at room temperature. A range of commercial nickel chromium alloys is based on this solid solution. Such nickel chromium alloys have excellent resistance to high temperature oxidation and corrosion and good wear resistance.

The introduction of small amounts (<7%) of chromium to nickel increase the sensitivity of the nickel chromium alloy to oxidation. This is because the diffusion rate of oxygen in the scale is increased. This trend reverses after addition levels increase above 7% chromium and increases up to an addition level of approximately 30%. Above this level, there is little change.

Oxidation resistance can be attributed to the formation of a highly adherent protective scale. The adherence and coherence of the scale can be improved by the addition of small amounts of other reactive elements such as zirconium, silicon, cerium, calcium or similar. The scale thus formed is a mixture of nickel and chrome oxides (NiO and Cr2O3). These combine to form nickel chromite (NiCr2O4), which has a spinel-type structure.

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. Commercial grades include Nichrome and Brightray. Small modifications of to this composition may be made to optimise it for particular applications.

While the compositional changes have a negligible effect on mechanical properties, higher additions of reactive elements tend to prevent flaking of the scale during cyclic heating and cooling. This effect is less of an issue with continuously operating heating elements, so addition levels do not need to be as high.

The binary 90/10 Ni/Cr alloy is also used for heating elements, and has a maximum operating temperature of 1100°C. Other uses for this alloy are thermocouples.

 

Data Sheet:

Nichrome Wire
Type
Max. Operating
Temperature
Resistivity @ 20°C (68°F)
Ω mm2/m (Ω/cmf)
Applications Oxidation
Resistance
20 1050°C (1920°F) 0.95 (572) Terminals attached to nickel-chromium heating elements, element fasteners, refractory anchor bolts Moderate
30 1050°C (1920°F) 1.03 (620) Solid hot plates, open coil heaters in HVAC systems, heaters, de-icing elements High
40 1100°C (2010°F) 1.04 (626) Heaters, de-icing elements, heating cables and rope heaters, resistors
60 1150°C (2100°F) 1.11 (668) Household heating elements, moderate heat, high humidity environments
70 1250°C (2280°F) 1.18 (709) Industrial furnace electrical heating elements
80 1180°C (2150°F) 1.09 (656) Industrial furnaces, home appliance heating elements

 

 

0.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface 00.02 - 0.15mm Thickness Nicr Alloy Low Carbon For Etching Resistor Annealed Surface 1

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Contact Person: Linda

Tel: +8619921877228

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