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Kovar


Kovar material is UNS SAE J 470 (1976) Wrought Nickel and Nickel-Related Alloys Wrought Nickel and Nickel-Related Alloys.

Chemical composition of Kovar, Kovar mechanical properties, Kovar datasheet, Kovar equivalent grade, Heat treatment and temperature process of Kovar.


Kovar property sheet

Kovar Spec.

UNS SAE J 470 (1976)
Wrought Nickel and Nickel-Related Alloys

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Chemical Composition of Kovar

C: Max 0.04
Si: Max 0.20
Mn: Max 0.50
Ni: Max 29.00
Cr: Max 0.20
Al: Max 0.10
Cu: Max 0.20
Ti: Max 0.10
Fe: Max 53.00
Mo: Max 0.20
Co: Max 17.00
W: Max Min
Mg: Max 0.10
Zr: Max 0.10

Mechanical Properties of Kovar

Rp0.2 (MPa) 345 (≥)
Rm (MPa) 559 (≥)
AKV (J) 24
A (%) 22
Z (%) 23
Hardness HBW 111

Kovar shape and dimensions

Kovar Round bar: 1mm-800mm
Kovar Square bar: 10mm * 10mm-600mm *600mm
Kovar Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Kovar Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Kovar Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Kovar Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes