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Super Alloys K94610 Kovar Bar ASTM F15 Thermal Expansion
Super Alloys K94610 Kovar Bar ASTM F15 Thermal Expansion Super Alloys K94610 Kovar Bar ASTM F15 Thermal Expansion Super Alloys K94610 Kovar Bar ASTM F15 Thermal Expansion Super Alloys K94610 Kovar Bar ASTM F15 Thermal Expansion

Super Alloys K94610 Kovar Bar ASTM F15 Thermal Expansion

Product Details:
Place of Origin: CHINA
Brand Name: JINXING
Certification: ISO 9001
Model Number: K94610 - KOVAR Bar
Payment & Shipping Terms:
Minimum Order Quantity: 30 kg
Price: Negotiable
Packaging Details: plywood cases
Delivery Time: 15-20 days
Payment Terms: T/T, D/P, L/C, D/A, Western Union, MoneyGram
Supply Ability: 2000 kg per month
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Detail Information
Material: KOVAR Bar Size: Dia 8 - 100mm X L
Density: 8.36 G/cc Tensile Strength: 592 MPa
Hardness: 68 HRB Elongation: 31%
Thermal Conductivity: 17.2 W/m. K Application: Sealing
High Light:

Super Alloys Kovar Bar

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K94610 Alloys Bar

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ASTM F15 Alloys Bar

Product Description

Super Alloys K94610 KOVAR Bar ASTM F15 Thermal Expansion

KOVAR Bar is also called sealing alloy or constant expansion alloy. The alloy has a linear expansion coefficient similar to that of borosilicate hard glass at 20~450 ℃, a high Curie point and good low temperature structural stability. The oxide film of the alloy is dense and can be well soaked by glass. It does not interact with mercury and is suitable for use in mercury containing discharge instruments. It is the main sealing structural material of electric vacuum devices.

 

Chemical Composition of KOVAR Bar

Chemical Compositions
Element Content
NICKEL (Ni) 29
COBALT (Co) 17
MANGANESE(Mn) 0.5
SILICON (SI) 0.2
SULFUR (S) 0.025
CHROMIUM(Cr) 0.2
COPPER (Cu) 0.2
MOLYBDENUM (Mo) 0.2
ZIRCONIUM (Zr) 0.1
PHOSPHORUS (P) 0.025
CARBON (C) 0.06
IRON BALANCE

 

Product specifications of KOVAR Bar

  • Density: 0.302 lbs./in3
  • Specific Gravity: 8.36 g/cc
  • Curie Temperature: 435o C / 815o F
  • Melting Point: 1450o C / 2640o F
  • Specific Heat: 0.105 cal/gm/ o C at 0o C & 0.155 cal/gm/ o C at 430o C
  • Thermal Conductivity: 17.3 W/m ⋅ K
  • Electrical Resistivity: 49 microhm/cm

KOVAR Bar picture:
Super Alloys K94610 Kovar Bar ASTM F15 Thermal Expansion 0Super Alloys K94610 Kovar Bar ASTM F15 Thermal Expansion 1

Application of Kovar Alloy Bar

It is used to make Fe-nickel-cobalt alloy strip, bar, plate and pipe with hard glass/ceramic matching sealing. It is mainly used in vacuum electronics, power electronics and other industries.

Tag:

nickel based superalloys

ni based alloys

ni based superalloys

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