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NICKEL IRON COBALT   CERAMIC,  GLASS SEALING ALLOY
F15 ALLOY KOVAR
MIL-I-23011C CLASS 1
For High Integrity Glass and Ceramic To Metal Seals

 

Available in

Plate, Sheet, Strip, Foil, Rod, Bar, Wire & Tube

Fe-Ni-Co Alloy - Also known as:

Iron Nickel Cobalt Sealing Alloy

UNS K94610

Nilo K

Kovar

Alloy-F15

Alloy 12B

Therlo

Rodar

 

Typical Kovar composition

TYPICAL
NOMINAL CHEMISTRY
TYPICAL
TENSILE STRENGTH
NICKEL (NI) 29.0 ANNEALED 85,000 MAX.
MAGNESIUM (MG) 0.10 1/4 HARD 90,000 to 115,000
MANGANESE (MN) 0.50 1/2 HARD 105,000 to 125,000
SILICON (SI) 0.20 HARD 120,000 MIN.
CARBON (C) 0.06
ALUMINUM (AL) 0.10 TYPICAL HARDNESS, ROCKWELL B
COBOLT (C0) 17.0 ANNEALED 85 MAX.
ZIRCONIUM (ZR) 0.10 1/4 HARD 90 to 93
TITANIUM (TI) 0.10 1/2 HARD 94 to 96
PHOSPHORUS (P) 0.025
SULFUR (S) 0.025
IRON (FE) BALANCE

 

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ASTM-F-15 Alloy
KOVAR FOIL - COIL THICKNESS

.004" .0142" .045"
.0045" .0145" .050"
.005" .015" .059"
.006" .020" .060"
.007" .025" .062"
.008" .030" .064"
.0098" .035" .070"
.010" .040" .082"
.012" .043"

ALL COIL SLIT TO YOUR WIDTH

OTHER SIZES AVAILABLE UPON REQUEST


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ASTM-F-15 Alloy
KOVAR SHEET COLD ROLLED,
BRIGHT ANNEALED
MIL I 23011C, CL. 1

THK

WIDTHS

LENGTH
0.015" X 12, 13, 24" X 72"
0.020" X 12, 13, 24" X 72"
0.025" X 12, 13, 24" X 72"
0.030" X 12, 13, 24" X 72"
0.035" X 12, 13, 24" X 72"
0.040" X 12, 13, 24" X 72"
0.050" X 12, 13, 24" X 72"
0.060" X 12, 13, 24" X 72"
0.062" X 12, 24" X 72"
0.072" X 12, 24" X 72"
0.075" X 12, 24" X 72"
0.080" X 12, 24" X 72"
0.090" X Random Width X 72"
0.092" X Random Width X 72"
0.100" X Random Width X 72"
0.115" X Random Width X 72"
.125" X Random Width X 72"
OTHER SIZES AVAILABLE UPON REQUEST

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ASTM-F-15 Alloy
KOVAR STRIP

.004" x 12" x COIL .0125" x 12" x COIL
.0045" x 12" x COIL .0142" x 12" x COIL
.005" x 12" x COIL .0145" x 12" x COIL
.006" x 12" x COIL .015" x 12" x COIL
.007" x 12" x COIL .020" x 12" x 72"
.008" x 12" x COIL .025" x 12" x 72"
.0095" x 12" x COIL .030" x 12" x 72"
.010" x 12" x COIL

OTHER SIZES AVAILABLE UPON REQUEST

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ASTM-F-15 Alloy
KOVAR Plate
MIL I 23011C CLASS 1
NI/IRON/COBALT ALLOY
PLATE - HOT ROLLED

0.150" x 15" x 72" 0.500" x 15" x 72"
0.164" x 15" x 72" 0.515" x 15" x 72"
0.187" x 15" x 72" 0.540" x 15" x 72"
0.210" x 15" x 72" 0.587" x 15" x 72"
0.235" x 15" x 72" 0.625" x 15" x 72"
0.250" x 15" x 72" 0.687" x 15" x 72"
0.260" x 15" x 72" 0.700" x 15" x 72"
0.281" x 15" x 72" 0.750" x 15" x 72"
0.312" x 15" x 72" 0.850" x 15" x 72"
0.320" x 15" x 72" 0.860" x 15" x 48"
0.375" x 15" x 72" 0.875" x 15" x 48"
0.390" x 15" x 72" 1.000" x 15" x 31"
0.400" x 15" x 72" 1.500" x 15" x 31"
0.425" x 15" x 72" 2.000" x 15" x 24"
0.437" x 15" x 72"

OTHER SIZES ALSO AVAILABLE

OTHER SIZES AVAILABLE UPON REQUEST

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KOVAR Rod

Kovar bar
ASTM F15 Alloy
CERTIFIED TO -196 DEGREES C
WITH NO PHASE TRANSFORMATION


DIAMETERS

0.040" 0.187" 0.500" 1.375"
0.050" 0.200" 0.562" 1.500"
0.060" 0.203" 0.625" 1.625"
0.062" 0.218" 0.750" 1.750"
0.100" 0.250" 0.875" 2.000"
0.125" 0.312" 1.000" 2.125"
0.156" 0.375" 1.125" 2.500"
0.178" 0.437" 1.250" 3.000"

LARGER SIZES AVAILABLE UP TO 6" DIA.

OTHER SIZES AVAILABLE UPON REQUEST

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Disclaimer    

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

 
 

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