TEMCo Nichrome 80 series wire 28 Gauge 25 FT Resistance AWG ga

Description

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Specifications
TEMCo ID:
RW0420
Alloy:
Nichrome 80 (80% Ni, 19.5% Cr, 1.45% Si)
Gauge:
28 AWG
Average Wire Diameter:
0.0126 in. (0.32004 mm)
Weight:
0.18 oz
Length:
25 ft
Resistance (Ohms/ft @ room temp):
4.0942
Shape:
Round
Heat treatment:
Annealed (soft)
Melting temperature:
1400°C (2552°F)
Maximum operating temperature:
1180°C (2150°F)
Density:
0.304 lbs. per cubic inch
Specific heat capacity at 20°C (68°F):
8.41
Thermal expansion:
14 x 10^(-6) per °C
Applications:
Heating elements (hair dryers, ovens, toasters, kilns), model and high power rocket motor and recovery ejection charge ignition, heat sealers, poly cutters, foam cutters, resistors, rheostats, current-temperature controls, pyrotechnic ignition, electronic cigarettes, lab inoculating loops, release mechanisms, ceramic support in kilns.
data sheet
Download the full specs.
Resistance
Diameter:
The thinner the wire (higher gauge number), the higher the resistance per foot. The thicker the wire (lower gauge number), the lower the resistance.
Length:
The longer the wire, the higher the overall resistance. The shorter the wire, the lower the overall resistance.
Temperature:
The more heat the wire generates, the more resistance it will create.
480°F (250°C), Factor 1.02
930°F (500°C), Factor 1.05
1470°F (800°C), Factor 1.04
1830°F (1000°C), Factor 1.05
2190°F (1200°C), Factor 1.07
Free Shipping
To Lower 48 States
Features
Level wound using computerized machinery. 100% quality guarantee.
Properly tensioned. Zero elongation, scratches, or other flaws.
American-made quality. Perfectly drawn.
Our return policy.
If you don't like It, we'll take it back & pay the shipping!
As an OEM, we use many of the products we sell.
As a result only high quality winding materials are offered to you.
Get it FAST.
Most orders received in 2 to 5 days.
Nichrome 80 Sizes
Gauge
Ft/lb
Diameter
Ohms/ft @ Room Temp
16 AWG
Ft/Lb.
135
Diameter
0.0508 in (1.29032 mm)
Ohms/Ft at 68°F
0.2519
18 AWG
Ft/Lb.
215
Diameter
0.0403 in (1.02362 mm)
Ohms/Ft at 68°F
0.4002
20 AWG
Ft/Lb.
341
Diameter
0.0320 in (0.81280 mm)
Ohms/Ft at 68°F
0.6348
22 AWG
Ft/Lb.
546
Diameter
0.0253 in (0.64262 mm)
Ohms/Ft at 68°F
1.0155
24 AWG
Ft/Lb.
865
Diameter
0.0201 in (0.51054 mm)
Ohms/Ft at 68°F
1.6089
26 AWG
Ft/Lb.
1383
Diameter
0.0159 in (0.40386 mm)
Ohms/Ft at 68°F
2.5711
28 AWG
Ft/Lb.
2202
Diameter
0.0126 in (0.32004 mm)
Ohms/Ft at 68°F
4.0942
30 AWG
Ft/Lb.
3496
Diameter
0.0100 in (0.25400 mm)
Ohms/Ft at 68°F
6.5
32 AWG
Ft/Lb.
5463
Diameter
0.0080 in (0.20320 mm)
Ohms/Ft at 68°F
10.1563
33 AWG
Ft/Lb.
6936
Diameter
0.0071 in (0.18034 mm)
Ohms/Ft at 68°F
12.8943
34 AWG
Ft/Lb.
8809
Diameter
0.0063 in (0.16002 mm)
Ohms/Ft at 68°F
16.3769
36 AWG
Ft/Lb.
13986
Diameter
0.0050 in (0.12700 mm)
Ohms/Ft at 68°F
26
Comparison Among Other Alloys
Kanthal A1
Composition:
22% Cr
5.8% Al
Fe balance
Maximum Operating
Temperature:
1400°C (2552°F)
Features:
Higher max temp in air
Higher surface load
Higher resistivity
Higher yield strength
Longer life (up to 2-4x that of Nichrome)
Better oxidation properties
Lower density
Better resistance to sulfur
Nichrome 60
Composition:
60% Ni
16% Cr
24% Fe
Maximum Operating
Temperature:
1150°C (2100°F)
Features:
Higher hot and creep strength
Better ductility after use
Higher emissivity
Non-magnetic
Better wet corrosion resistance
Nichrome 80
Composition:
80% Ni
19.5% Cr
1.45% Si
Maximum Operating
Temperature:
1180°C (2156°F)
Features:
Higher hot and creep strength
Better ductility after use
Higher emissivity
Non-magnetic
Better wet corrosion resistance
Nickel 200
Composition:
Min: 99 Ni
Max: 0.15 C, 0.25 Cu
0.4 Fe, 0.35 Mn
0.35 Si, 0.01 S
Maximum Operating
Temperature:*
649°C (1220°F)
Tensile strength and elongation drop significantly above 315°C (600°F). Service temperature is dependent on environment, load and size range.
Features:
Good mechanical properties
Excellent corrosion resistance
Ferromagnetic
High thermal and electrical conductivities
Low gas content vapor pressure
View other Alloys
Kanthal A1
Nichrome 60
Nichrome 80
Nickel 200
Shipping
Domestic
Lower 48 States:
FREE!
Local Pickup Available:
FREE!*
International
Canada & Mexico:
Other Destinations:**
Orders are usually processed and shipped within 24 to 48 hours of receipt of your payment. Please provide us with a physical shipping address (failing to do so may delay your order). We may ship an order by a different courier at our discretion. If you need to receive an order within a guaranteed time frame, please contact us for rush options and expedited shipping.
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Combined shipping for International orders
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*Local Pick Up
is available at our Fremont CA location, Monday through Friday 9:00 a.m. to 5:00 p.m. Please contact us ahead to ensure that your item is in stock at our location before pick-up.
** International Buyers, Please Note:
If shipping for your country is not listed,
contact us
for details.
*** Same Day Shipping:
Most in-stock orders placed Monday through Friday before 4pm Pacific Standard Time will ship out same day. Weekends, Holidays and any day following a Holiday are excluded from this offer. If multiple items are bought on the same order, all items must have Same Day Shipping offered for the order to ship out the same day.
Payment & Returns
Payment
TEMCo accepts the following payment methods: PayPal, Visa, MasterCard, AMEX, Discover.
We charge 9.75% sales tax for all orders shipping within California. Tax exemption is available if we are provided with a valid California resale certificate.
Returns
TEMCo allows for the return of products for 1 year from the date of purchase. Even if it's opened, broken, or used, we will still accept your return and pay shipping both ways.
We will replace the item with an identical item or issue a refund for the value of the item.
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About TEMCo
Since 1968, TEMCo has become a trusted name in industrial power products.
TEMCo products meet the demands of tough industrial applications with dependability and quality. We are proud to be an accredited member of the Better Business Bureau Online Reliability Program. Some of our customers include:
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Fremont, CA 94539
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