Kovar ASTM F15 pipe
Kovar ASTM F15 pipe are made from Kovar alloy which is typically supplied to meet the requirements of UNS-K-94610, ASTM-F-15, AMS/MIL-I-23011.
Kovar is known for its low coefficient of thermal expansion. Kovar is suitable for uses which require a matched expansion seal between metal and glass parts. Kovar end uses are usually glass sealing in the electronics industry.
Kovar ASTM F15 pipe is an iron-nickel-cobalt alloy with a coefficient of thermal expansion similar to that of hard (borosilicate) glass. This makes it especially suitable for uses which require a matched-expansion seal between metal and glass parts. Thus kovar finds wide usage in the electronics industry for metal parts bonded to hard glass envelopes for such devices as power tubes, x-ray tubes, etc., and other applications requiring glass-to-metal seals.
Yitech also supplies additional low expansion, controlled expansion, and glass-to-metal or ceramic sealing alloys including Invar, Alloy 42, Alloy 46 Alloy, 47/50, 48, 49, and Alloy 52. EAC can supply soft magnetic Alloy 50, Hiperco 50 & 50A, and Vim Var Core Iron.
Specification of Kovar ASTM F15 pipe
Specification of ASTM F15 Dilver alloy kovar tube
|
Grade |
Dilver alloy kovar tube |
|
Process |
Cold drawn |
|
Purity |
Ni29%, Fe 53%, Co17% |
|
Size |
Customized |
|
Density |
8.2g/cm3 |
|
Surface |
Polishing,Bright,Ground |
|
Standard |
ASTM |
|
Certification |
ISO |
Size Range of ASTM F15 Dilver alloy kovar tube
|
Sheet |
Thickness:0.10mm~3.50mm, width: ≤300mm |
|
Plate |
Thickness:3.5mm~40.0mm, width: ≤500mm |
|
Round wire |
Thickness:0.10mm~5.0mm |
|
Flat Wire |
Dia 0.5mm~Dia 5.0mm, length≤1000 |
|
Rod |
Dia 5.0mm~Dia 8.0mm, length≤2000 |
|
Dia 8.0mm~Dia 32.0mm, length≤2500 |
|
|
Dia 32.0mm~Dia180.0mm, length≤1000 |
|
|
Capillary |
OD 8.0mm~1.0mm,ID 0.1~8.0 length≤2500 |
|
Pipe |
OD 120mm~8.0mm,ID 8.0~129 length≤4000 |
Picture of Kovar ASTM F15 pipe


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