TEMCo Flat Ribbon Kanthal A1 Wire 0.7mm x 0.1mm 250 Ft Resistance A-1

Description

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Specifications
TEMCo ID:
RW0341
Alloy:
Kanthal A-1 (22% Cr, 5.8% Al,  Fe balance)
Wire Size (Thickness x Width):
0.7 x 0.1 mm (0.0276 x 0.004 in)
Approximate Round Wire Equivalent:
29 AWG
Weight:
1.24 oz
Length:
250 ft
Shape:
Flat Ribbon
Resistance (Ohms/ft @ room temp):
6.58
Heat treatment:
Annealed (soft)
Melting temperature:
1500°C (2730°F)
Maximum operating temperature:
1400°C (2552°F)
Density:
0.256 lbs. per cubic inch
Specific heat capacity at 20°C (68°F):
0.46 kJ/kg K (0.11 Btu/lb°F)
data sheet
Download the full specs.
Kanthal A1
Kanthal A-1 is usually used for high temperature furnaces in the heat treating, ceramics, glass, steel, and electronic industries. Other common applications include: 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.
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.
68°F (20°C), Factor 1.00
212°F (100°C), Factor 1.00
392°F (200°C), Factor 1.01
572°F (300°C), Factor 1.01
752°F (400°C), Factor 1.02
932°F (500°C), Factor 1.03
1112°F (600°C), Factor 1.04
1292°F (700°C), Factor 1.04
1472°F (800°C), Factor 1.05
1652°F (900°C), Factor 1.05
1832°F (1000°C), Factor 1.06
2012°F (1100°C), Factor 1.06
2192°F (1200°C), Factor 1.06
2372°F (1300°C), Factor 1.06
Flat ribbon wire
"Ribbon" just means that the wire is flat instead of round. The primary difference between flat and round wire is the amount of surface area for a given volume. This is similar to why cooking stoves have flat tops. Why use flat wire?
Produces More Vapor
Get more vapor from each draw. There is more contact area between the heat source and whatever is being heated.
Easier to Wind
The flat shape of the wire makes it much easier to wrap around and cover the wick.NOTE: Sharp twists in ribbon Kanthal can cause tears, rips, warping, and other kinds of mechanical damage. Avoid twisting the wire ribbon  when winding coils.The only areas where twists are unavoidable are at positive and negative screw terminals. This is because you should have your ribbon wire flat (horizontal) against the screw head, as good electrical connections require good mechanical connections. However, this means you may have to twist the wire in order to wrap it around the wick.
Eliminates Hot Spots
A common issue that occurs when winding coils on atomizers is areas of uneven heating, or "hot spots." Hot spots can significantly shorten the coil life. They cause parts of the coil to expand and contract at different rates, which wears out the coil much more quickly.It can be frustrating to find a hot spot after taking the time to carefully wind a coil. Flat ribbon wire makes this less likely to happen.
11 Months From Now...
If it doesn't fit.
If it looks funny.
Or you just changed your mind.
Even if it's opened, used or broken, we will still accept your return and pay shipping both ways.
No restocking fee. Up to 1 year.
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.
Round Wire
Gauge
Ft/lb
Diameter
Ohms/ft @ Room Temp
16 AWG
Ft/Lb.
159
Diameter
0.0508 in (1.29032 mm)
Ohms/Ft at 68°F
0.324
18 AWG
Ft/Lb.
253
Diameter
0.0403 in (1.02362 mm)
Ohms/Ft at 68°F
0.515
20 AWG
Ft/Lb.
401
Diameter
0.0320 in (0.81280 mm)
Ohms/Ft at 68°F
0.817
22 AWG
Ft/Lb.
641
Diameter
0.0253 in (0.64262 mm)
Ohms/Ft at 68°F
1.31
24 AWG
Ft/Lb.
1018
Diameter
0.0201 in (0.51054 mm)
Ohms/Ft at 68°F
2.07
26 AWG
Ft/Lb.
1626
Diameter
0.0159 in (0.40386 mm)
Ohms/Ft at 68°F
3.31
27 AWG
Ft/Lb.
2040
Diameter
0.0142 in (0.36068 mm)
Ohms/Ft at 68°F
4.15
28 AWG
Ft/Lb.
2609
Diameter
0.0126 in (0.32004 mm)
Ohms/Ft at 68°F
5.27
29 AWG
Ft/Lb.
3226
Diameter
0.0113 in (0.28702 mm)
Ohms/Ft at 68°F
6.55
30 AWG
Ft/Lb.
4142
Diameter
0.0100 in (0.25400 mm)
Ohms/Ft at 68°F
8.36
31 AWG
Ft/Lb.
5181
Diameter
0.0089 in (0.22606 mm)
Ohms/Ft at 68°F
10.6
32 AWG
Ft/Lb.
6473
Diameter
0.0080 in (0.20320 mm)
Ohms/Ft at 68°F
13.1
33 AWG
Ft/Lb.
8217
Diameter
0.0071 in (0.18034 mm)
Ohms/Ft at 68°F
16.6
34 AWG
Ft/Lb.
10437
Diameter
0.0063 in (0.16002 mm)
Ohms/Ft at 68°F
21.1
36 AWG
Ft/Lb.
16447
Diameter
0.0050 in (0.12700 mm)
Ohms/Ft at 68°F
33.4
Flat Wire
Size (Thickness x Width)
Ft/lb
Ohms/ft @ Room Temp
Approx. Equivalent Round Wire
0.4 x 0.1 mm
Ft/Lb.
5618
OHMS/FT AT 68°F
11.4
APPROX. EQUIVALENT ROUND WIRE
32 AWG
0.5 x 0.1 mm
Ft/Lb.
4444
OHMS/FT AT 68°F
9.2
APPROX. EQUIVALENT ROUND WIRE
31 AWG
0.6 x 0.1 mm
Ft/Lb.
3690
OHMS/FT AT 68°F
7.68
APPROX. EQUIVALENT ROUND WIRE
30 AWG
0.7 x 0.1 mm
Ft/Lb.
3236
OHMS/FT AT 68°F
6.58
APPROX. EQUIVALENT ROUND WIRE
29 AWG
0.8 x 0.1 mm
Ft/Lb.
2809
OHMS/FT AT 68°F
5.76
APPROX. EQUIVALENT ROUND WIRE
28 AWG
0.9 x 0.1 mm
Ft/Lb.
2481
OHMS/FT AT 68°F
5.12
Approx. Equivalent Round Wire
27 AWG
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 (2150°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:
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International
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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.
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contact us
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*** 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
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Returns
TEMCo allows for the return of new and unused products in original factory condition and used defective products for 30 days from the date of purchase. Returns must be pre-approved by TEMCo and have a return merchandise authorization (RMA) number issued by TEMCo. Unauthorized returns will not be accepted.
We recommend using a shipping carrier with online tracking and insurance. TEMCo will replace the item with an identical item, issue a full store credit for the value of the item, or issue a refund for the value of the item, minus a 20% restocking fee. Items with a 100% satisfaction guarantee are exempt from the 20% restocking fee.
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