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Iron nickel cobalt alloy kovar

  • Origin: China
  • Supply Type: oem service
  • Processing Time: 4weeks
  • Min Order: 1

Quick Details

Density 8.36g/m3
Curie temperature 435°C
Thermal Conductivity 17.3 W/m-k
Melting Point 1450°C
Electrical resistivity 490 microhm-mm
Forms Rod
Lead-time 4week (Custom-Made Order) / 4 Days (Stocks)
Thermal expansion20-200°C/10-6 5.9
Process Forging
Surface Bright
Available Alloy Grades Http://www.alloynickel.com/uploadfiles/files/20180814170436_8757.pdf
Factory Tour Http://www.alloynickel.com/uploadfiles/files/20180814141843_8086.pdf

Supplier Info.

  • Employees Total 101-200
  • Annual Revenue US$10 Million - US$50 Million
Iron-Nickel-Cobalt sealings alloy Kovar

Description
Kovar Alloy  is a vacuum melted, iron-nickelcobalt, low expansion alloy whose chemical composition
 is controlled within narrow limits to assure precise uniform thermal expansion properties. ExtensiveÂ
quality controls are employed in the manufacture of this alloy to ensure uniform sical and mechanical
 properties for ease in deep drawing, coining, stamping and machining.
Parameter
Chemical Composition
CPSMnSiCrMoNiCoFe
0.03Max0.020Max0.020Max0.50Max0.30Max0.20Max0.20Max28.5-29.516.8-17.8Bal.
Notes:
1.The shape and dimensions of the alloys are in compliance with ASTM F30
2. Content of cu 0.20(Max)
sical Property
Density(g/cm38.36
Cure Temperature,°C435
Resistivity (microhm-mm)490
Thermal Conductivity W/m-K17.3
Coefficient of pansion (average coefficient of pansion)
Heat Treatment of the Sample20-400ºC20-450ºC

Heat to temperature of 900±20℃ in the hydrogen,hold for 1h;re-heat to 1100±20℃, hold for 15 min.;cooled to 200℃ at a rate less than 5℃/min

4.6-5.25.1-5.5

Important NoticeChemical composition,sical and Mechanical Properties will be engineered according to specific customer requirements.Therefore chemical composition,sical and Mechanical Properties might be different to values listed in this document. Information about product characteristics or applicability of materials are shown only for informative purposes.

Sample PolicyThe samples are big enough (typically about 200mm in length for strip or plate) to get an understanding of the material characteristics, meanwhile custom-made sample available !Â

   If you still have questions about the material , do not hesitate to Paul with any specific questions.

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