Tuesday, April 14, 2009

Resistance wire

I had find many products about copper nickel wire from some websites such as

Dry/Steam Iron

Carton dimensions: 600 x 290 x 300mm Qty/20' FCL: 5,300pcs Qty/40' FCL: 10,000pcs

Cordless Electric Iron

RW 1801 -S new seat cordless electric iron with dry/steam/spray/bursting functions

And you can see more from conveyor rollers steel bicycle rack hitch weller solder iron atkins advantage bars aluminum plate sheets urinalysis reagent strips china stainless steel baby cot sheets fasteners stainless steel
Resistance wire is electrical wire used for its resistance. It is routinely used at high temperatures, so normally also has high melting point. Resistance wire is usually used for high-power resistors and heating elements, which produce heat used in electric heaters, electric ovens and toasters, and many other appliances.
Types
Nichrome, a non-magnetic alloy of nickel and chromium, is commonly used to make resistance wire because it has a high resistivity and resistance to oxidation at high temperatures. When used as a heating element, resistance wire is usually wound into coils.
Constantan is used where resistance is required to not change with temperature. Constantan is readily solderable, though soldered joints have limited temperature range.
Many elements and alloys have been used as resistance wire for special purposes. Copper is also included for comparison.Material Resistance
(ohm-cmil/ft) (ohm-cm)
Aluminum 15.94 2.650 e-6
Brass 42.1 7.0 e-6
Carbon (amorphous) 3.8-4.1 e-6
Constantan 272.97 45.38 e-6
Copper 10.09 1.678 e-6
Iron 57.81 9.61 e-6
Manganin 290 48.21 e-6
Molybdenum 32.12 5.34 e-6
Nichrome 675 112.2 e-6
Nichrome V 650 108.1 e-6
Nickel 41.69 6.93 e-6
Platinum 63.16 10.5 e-6
Stainless steel (304) 541 90 e-6
Steel (0.5% Carbon) 100 16.62 e-6
Tungsten 31.76 5.28 e-6
Zinc 35.49 5.90 e-6
Categories: Heating, ventilating, and air conditioning | Resistive components(and so on)

Fan Coil Unit

3 row or 4 row copper tube aluminium finned chilled water or hot water fan coil units. Anti-corrosive fin blueing and electric...

You can also see some feature products :

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