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Shanghai Tankii Alloy Material Co., Ltd.

Resistance Wire, Resistance Heating Wire, Heating Resistor Wire manufacturer / supplier in China, offering Alloy Resistance Wire (CrAl 20/5), KCA thermocouple wire and cable green and white color cable, High Temperature Resistance NiCr6015 Wire for Cloth Dryers and so on.

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Supplier Homepage Product FeCrAl Alloys FeCrAl Resistance Wire Alloy Resistance Wire (CrAl 20/5)

Alloy Resistance Wire (CrAl 20/5)

FOB Price: US $6 / kg
Min. Order: 20 kg
Min. Order FOB Price
20 kg US $6/ kg
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Production Capacity: 5000 tons/year
Transport Package: waterproof film, Weave bag, Wooden Case
Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Model NO.: CrAl 20-5
  • Material: Iron Chrome Aluminum Wire
  • Mainly Usage: Heater, Resistor
  • Specification: RoHS
  • HS Code: 7223000000
  • Product Type: Wire
  • Carbon Content: Low Carbon
  • Trademark: TANKII
  • Origin: Shanghai, China
Product Description
Heating Resistance Wire/China Producer

Nominal Analysis

20.00 Cr, 5.00 Al, Bal. Fe

Max contineous working temperature: 1250 º C.

Melting Temperature: 1500 º C

Electrical Resistivity: 1.4 ohm mm2/m

Has been used extensively as heating elements in industrial furnaces and electrical kilns.

Has less hot strength than Tophet alloys but much higher melting point.

Shanghai TANKII ALLOY MATERIAL Co., Ltd.

MOST PROFESSIONAL ALCHROME AND FECRAL ALLOY PRODUCER IN China

We also produce CrAl 14/4, CrAl 19/3 and other grade resistance wire for industrial demand.

Alloy Resistance Wire (CrAl 20/5)
Chemical Composition and Main Property of Fe-Cr-Al Resistance Alloy
Properties \ Grade 1Cr13Al4 0Cr25Al5 0Cr21Al6 0Cr23Al5 0Cr21Al4 0Cr21Al6Nb 0Cr27Al7Mo2
Main Chemical Composition
(%)
Cr 12.0-15.0 23.0-26.0 19.0-22.0 22.5-24.5 18.0-21.0 21.0-23.0 26.5-27.8
Al 4.0-6.0 4.5-6.5 5.0-7.0 4.2-5.0 3.0-4.2 5.0-7.0 6.0-7.0
Re opportune opportune opportune opportune opportune opportune opportune
Fe Bal. Bal. Bal. Bal. Bal. Bal. Bal.

 

 

 

 

 

 
Nb0.5 Mo1.8-2.2
Max Continuous Service Temperature(oC) 950 1250 1250 1250 1100 1350 1400
Resisivity 20oC  (Ω mm2/m) 1.25
± 0.08
1.42
± 0.06
1.42
± 0.07
1.35
± 0.07
1.23
± 0.07
1.45
± 0.07
1.53
± 0.07
Density(g/cm3) 7.4 7.1 7.16 7.25 7.35 7.1 7.1
Thermal Conductivity 52.7 46.1 63.2 60.2 46.9 46.1 45.2
(KJ/m@ h@ oC)
Coefficient of Thermal Expansion(α × 10-6/oC) 15.4 16 14.7 15 13.5 16 16
Approximate Melting Point( oC) 1450 1500 1500 1500 1500 1510 1520
Tensile Strength(N/mm2) 580-680 630-780 630-780 630-780 600-700 650-800 680-830
Elongation(%) > 16 > 12 > 12 > 12 > 12 > 12 > 10
Section Variation 65-75 60-75 65-75 65-75 65-75 65-75 65-75
Shrink Rate (%)
Repeatedly Bend Frequency(F/R) > 5 > 5 > 5 > 5 > 5 > 5 > 5
Hardness (H. B. ) 200-260 200-260 200-260 200-260 200-260 200-260 200-260
Continuous Service Time no ≥ 80/1300 ≥ 80/1300 ≥ 80/1300 ≥ 80/1250 ≥ 50/1350 ≥ 50/1350
Micrographic Structure Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite
Magnetic Property Magnetic Magnetic Magnetic Magnetic Magnetic Magnetic Magnetic
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