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Kanthal APM wire

Yuan Qiao Alloy Wire Co., Ltd

Kanthal APM wire

Place of Origin : China

Brand Name : Yuanqiao

Model Number : 0069

condition : annealed

surface : bright

Min order : 30kg

Size : 24~32 AWG

MOQ : 10kg

Price : 20USD/kg

Packaging Details : Wire on spool

Delivery Time : based on your quantity

Payment Terms : Western union or TT payment

Supply Ability : 20 tons each month

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Kanthal APM is an advanced powder-metallurgical, dispersion-strengthened, ferritic iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 1425°C (2600°F). The alloy is characterized by exceptionally good form stability and oxidation resistance.

Kanthal APM has low tendency to ageing and low resistance change. It has excellent surface oxide properties, which gives good protection in corrosive atmospheres as well as in atmospheres with high carbon potential, and no scaling.

The unique combination of excellent oxidation properties and form stability contributes to long element service life. The alloy's superior form stability reduces the amount of element support.

Typical applications for Kanthal APM are in high-temperature furnaces for firing of ceramics, heat treatment, in laboratory furnaces, in furnaces for electronic industries and in diffusion furnaces.

Chemical composition

C %Si %Mn %Cr %Al %Fe %
Nominal composition5.8Bal.
Min---20.5-
Max0.080.70.423.5-

Mechanical properties

Wire sizeYield strengthTensile strengthElongationHardness
ØRp0.2RmA
mmMPaMPa%Hv
4.047068020230

Mechanical properties at elevated temperature
Temperature °C9001000110012001300
MPa402316129

Ultimate tensile strength - deformation rate 6.2 x 10-2/min

Creep strength - 1% elongation in 1000 h
Temperature °C800900
MPa8.23.5

Creep strength - 0.1% elongation in 1000 h
Temperature °C1100120013001400
MPa2.31.20.70.4
Creep rupture strength
Time800°C1472°F1000°C1832°F1200°C2192°F1400°C2552°F
hMPapsiMPapsiMPapsiMPapsi
10015.021765.68123.34781.3189
100011.316403.44781.62320.572
100008.211902.23200.71000.230

The data in the tables apply to material with fine grain structure in the temperature range from 800°C to 900°C,
and to material with coarse grain structure in the temperature range from 1100°C to 1400°C.
In the delivery state KANTHAL APM always has a fine grain structure. After use for a certain period of time , the grain size becomes coarse.

Physical properties

Density g/cm37.10
Electrical resistivity at 20°C Ω mm2/m1.45
Poisson's ratio0.30

Young's modulus
Temperature °C201002004006008001000
GPa220210205190170150130

Temperature factor of resistivity
Temperature°C10020030040050060070080090010001100120013001400
Ct1.001.001.001.001.011.021.021.031.031.041.041.041.041.05

Coefficient of thermal expansion
Temperature °CThermal Expansion x 10-6/K
20 - 25011
20 - 50012
20 - 75014
20 - 100015
20-120016
20-140016

Thermal conductivity
Temperature °C50600800

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