Bright Annealed Fecral 21/6 Alloy Electric Oven Heating Wire 1.0mm Diameter 18 AWG, 19 Swg

• Customization: Available
• Application: Electronics, Industrial
• Standard: JIS, BS, ASTM, AISI
• Model NO.: FeCrAl 21/6
• Purity: >99.95%
• Alloy: Alloy
• Type: Nickel Wire
• Powder: Not Powder

Product Description

OhmAlloy 145 (FeCrAl-0Cr21Al6Nb / Alloy 835)

High-Performance Iron-Chromium-Aluminum Resistance Heating Alloy

Key Properties:

• Ultra-High Resistivity (≥1.45μΩ·m) & Low Temperature Coefficient
• Extreme Temperature Stability: Continuous operation up to 1250°C (2282°F)
• Superior Oxidation & Corrosion Resistance in High-Temperature Atmospheres
• Excellent Creep Resistance & Microstructural Stability
• Low Thermal Expansion Minimizes Deformation Under Thermal Cycling

Industry Applications:

Industrial Thermal Systems

• Heating elements for industrial furnaces (e.g., annealing, tempering)
• High-temperature resistor cores in semiconductor manufacturing
• Thermocouple protection sheaths

Consumer & Automotive

• Household appliance heating coils (ovens, toasters, dryers)
• Automotive glow plugs & exhaust gas sensors
• Aerospace ignition components

Advanced Material Processing

• Precision resistance wire for additive manufacturing
• Custom-shaped elements in metallurgical crucibles
• Military-grade pyrotechnic initiators

Standards Compliance:

• ASTM B603 / IEC 60240 / DIN 17470
• RoHS & REACH Compliant

1) Normal Composition(%)

C	P	S	Mn	Si	Cr	Ni	Al	Fe	Other
Max
0.12	0.025	0.025	0.70	Max 1.0	18.0~21.0	Max 0.60	3.0~4.2	Bal.	-

 

2)Typical Mechanical Properties(1.0mm)

Yield strength	Tensile Strength	Elongation
Mpa	Mpa	%
550	750	22

 

3)Typical Physical Properties

Density (g/cm3)	7.1
Electrical resistivity at 20ºC(Ωmm2/m)	1.45
Conductivity coefficient at 20ºC (WmK)	13

 

4)Coefficient of thermal expansion
Temperature	Coefficient of Thermal Expansion x10-6/ºC
20 ºC- 1000ºC	16

 

Standard Product Dimensions

Form Size Range Tolerance Surface Finish

Wire Ø0.01mm - Ø10mm ±1% (DIN 6723 Class B) Bright Annealed / Oxide Layer

Ribbon 0.05×0.2mm - 2.0×6.0mm Thickness: ±0.005mm Cold Rolled, Edge-Deburred

Strip 0.05×5.0mm - 5.0×250mm Width: ±0.1% Pickling + Passivation

Bar Ø10mm - Ø50mm Straightness ≤0.5mm/m Centerless Ground

Note: Custom profiles (profiled sections/special cladding layers) are available upon request.