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ISO 9001:2008R&D Production
In ChinaKovar material is ASTM SAE AMS 7726G (2000) Iron-Nickel-Cobalt Alloy, Wire 53Fe - 29Ni - 17Co Low Expansion, Glass Sealing, Annealed Iron-Nickel-Cobalt Alloy, Wire 53Fe - 29Ni - 17Co Low Expansion, Glass Sealing, Annealed.
Chemical composition of Kovar, Kovar mechanical properties, Kovar datasheet, Kovar equivalent grade, Heat treatment and temperature process of Kovar.
ASTM SAE AMS 7726G (2000) Iron-Nickel-Cobalt Alloy, Wire 53Fe - 29Ni - 17Co Low Expansion, Glass Sealing, Annealed |
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 |
Rp0.2 (MPa) | 191 (≥) |
Rm (MPa) | 833 (≥) |
AKV (J) | 31 |
A (%) | 11 |
Z (%) | 43 |
Hardness | HBW 242 |
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 |