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Ohmalloy Material Co.,Ltd

  • China,Shanghai ,Shanghai
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China Bright Surface High Temp Alloys 4J29 Kovar Capillary Tube
China Bright Surface High Temp Alloys 4J29 Kovar Capillary Tube

  1. China Bright Surface High Temp Alloys 4J29 Kovar Capillary Tube
  2. China Bright Surface High Temp Alloys 4J29 Kovar Capillary Tube
  3. China Bright Surface High Temp Alloys 4J29 Kovar Capillary Tube

Bright Surface High Temp Alloys 4J29 Kovar Capillary Tube

  1. MOQ: 20kg
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms , L/C, T/T
Supply Ability 20000T/Year
Delivery Time 7-20days after your deposit received
Packaging Details IN Wooden box
UNS: NO6600
Surface Bright
Werkstoff Nr. W.Nr.2.4816
Power or not Not
Type Seamless
Craft Cold Drawing
Shape Tube
Thickness 0.01~50mm
OD 0.20~360mm
Brand Name OHMALLOY
Model Number Inconel600
Certification ISO ROHS
Place of Origin China(Shanghai)

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms , L/C, T/T Supply Ability 20000T/Year
Delivery Time 7-20days after your deposit received Packaging Details IN Wooden box
UNS: NO6600 Surface Bright
Werkstoff Nr. W.Nr.2.4816 Power or not Not
Type Seamless Craft Cold Drawing
Shape Tube Thickness 0.01~50mm
OD 0.20~360mm Brand Name OHMALLOY
Model Number Inconel600 Certification ISO ROHS
Place of Origin China(Shanghai)
High Light High Temp Alloys Capillary TubeKovar Capillary TubeBright Surface High Temp Alloys Tube

4J29 KOVAR CAPILLARY TUBER

 

Kovar alloy is a vacuum melted, iron-nickel-cobalt alloy that is widely used in the electronics industry. Kovar is a nickel-iron-cobalt, controlled-expansion alloy which contains 29% nickel. Its coefficient of expansion, which decreases with rising temperature to the inflection point, matches the expansion rate of borosilicate glasses and alumina ceramics.

Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. This alloy has found wide application in power tubes, microwave tubes, transistors, and diodes. In integrated circuits, it has been used for the flat pack and the dual-in-line package.

 

Chemical Composition

Grade C% P% S% Mn% Si% Cu% Cr% Mo% Ni% Co% Fe%
Kovar Max 0.03 Max 0.020 Max 0.020 Max 0.50 Max 0.30 Max 0.20 Max 0.20 Max 0.20 28.5-29.5 16.8-17.8 Bal.

 

Specifications

Grade UNS Werkstoff Nr.
Kovar K94610 1.3981

 

Physical Properties

Grade Density Melting Point
Kovar 8.17 g/cm3 1449°C

 

Mechanical Properties

Grade Tensile Strength N/mm²
Soft 1/4 Hard 1/2 Hard 3/4 Hard Full Hard
Kovar Strip <570 520-630 590-700 600-770 >700
Kovar Wire <585 585-725 655-795 725-860 >860

 

Coefficient of Expansion

Alloy Linear Coefficient of Thermal Expansion a,10-6/°C
20-200°C 20-300°C 20-400°C 20-450°C 20-500°C 20-600°C 20-700°C 20-800°C
Kovar 5.9 5.3 5.1 5.3 6.2 7.8 9.2 10.2

 

 

Company Details

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  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company

  • Year Established:

    2008

  • Total Annual:

    4000000-6000000

  • Employee Number:

    20~50

  • Ecer Certification:

    Verified Supplier

Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface... Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface...

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  • Ohmalloy Material Co.,Ltd
  • Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
  • https://www.fecralalloy.com/

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