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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), Beryllium Copper B25 B14 B33 strips / plate/ rod used in electronic industry, Copper-beryllium alloys strip used for contact springs / switches /relays 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 $5 / kg
Min. Order: 20 kg
Min. Order FOB Price
20 kg US $5/ kg
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Port: Shanghai, China
Production Capacity: 5000 tons/year
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: CrAl 20-5
  • Material: Iron Chrome Aluminum Wire
  • Mainly Usage: Heater, Resistor
  • Transport Package: waterproof film, Weave bag, Wooden Case
  • Origin: Shanghai, China
  • Product Type: Wire
  • Carbon Content: Low Carbon
  • Trademark: TANKII
  • Specification: RoHS
  • HS Code: 7223000000
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 \ Grade1Cr13Al40Cr25Al50Cr21Al60Cr23Al50Cr21Al40Cr21Al6Nb0Cr27Al7Mo2
Main Chemical Composition
(%)
Cr12.0-15.023.0-26.019.0-22.022.5-24.518.0-21.021.0-23.026.5-27.8
Al4.0-6.04.5-6.55.0-7.04.2-5.03.0-4.25.0-7.06.0-7.0
Reopportuneopportuneopportuneopportuneopportuneopportuneopportune
FeBal.Bal.Bal.Bal.Bal.Bal.Bal.

 

 

 

 

 

 
Nb0.5Mo1.8-2.2
Max Continuous Service Temperature(oC)950125012501250110013501400
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)7.47.17.167.257.357.17.1
Thermal Conductivity52.746.163.260.246.946.145.2
(KJ/m@ h@ oC)
Coefficient of Thermal Expansion(α × 10-6/oC)15.41614.71513.51616
Approximate Melting Point( oC)1450150015001500150015101520
Tensile Strength(N/mm2)580-680630-780630-780630-780600-700650-800680-830
Elongation(%)> 16> 12> 12> 12> 12> 12> 10
Section Variation65-7560-7565-7565-7565-7565-7565-75
Shrink Rate (%)
Repeatedly Bend Frequency(F/R)> 5> 5> 5> 5> 5> 5> 5
Hardness (H. B. )200-260200-260200-260200-260200-260200-260200-260
Continuous Service Timeno≥ 80/1300≥ 80/1300≥ 80/1300≥ 80/1250≥ 50/1350≥ 50/1350
Micrographic StructureFerriteFerriteFerriteFerriteFerriteFerriteFerrite
Magnetic PropertyMagneticMagneticMagneticMagneticMagneticMagneticMagnetic
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