ISO 9001 Certified
NICKEL IRON COBALT | GLASS & CERAMIC SEALING ALLOY
F15 ALLOY (KOVAR | RODAR)
MIL I 23011C CLASS 1
For High Integrity Glass & Ceramic To Metal Seals
TYPICAL NOMINAL CHEMISTRY
NICKEL (Ni) 29.0
COBALT (Co) 17.0
MANGANESE(Mn) 0.50
SILICON (SI) 0.20
SULFUR (S) 0.025
CHROMIUM(Cr) 0.20
COPPER (Cu) 0.20
MOLYBDENUM (Mo) 0.20
ZIRCONIUM (ZR) 0.10
PHOSPHORUS (P) 0.025
CARBON (C) 0.06
IRON BALANCE


TYPICAL TENSILE STRENTGH
ANNEALED 85,000 MAX
1/4 HARD 90,000 TO 115,000
1/2 HARD 105,000 TO 125,000
HARD 120,000 MIN.


TYPICAL HARDNESS, ROCKWELL B
ANNEALED 85 MAX
1/4 HARD 90 TO 93
1/2 HARD 94 TO 96
National Electronic Alloys material is tested and certified to exceed industry standards on Phase Transformation, making it the most stable material available.


TYPICAL LINEAR COEFICIENT OF THERMAL EXPANSION
(cm per cm. C x 10-6)
30 to 100 N/A
30 to 200 5.5
30 to 300 5.1
30 to 350 N/A
30 to 400 4.9
30 to 425 N/A
30 to 450 5/3
30 to 500 6.2
30 to 550 N/A
30 to 600 7.9
30 to 700 9.3
30 to 800 10.4
30 to 900 11.5
30 to 1000 N/A
No Phase Transformation to -196°C
National Electronic Alloys material is tested and certified to exceed industry standards on Phase Transformation, making it the most stable material available.


ASTM F15 Alloy
(KOVAR) COIL THICKNESSES
.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


ASTM F15 Alloy
(KOVAR)
SHEET COLD ROLLED, BRIGHT ANNEALED, MIL | 23011C, CL.1
TK WIDTHS LENGTH
.015
X
12,13,24"
X
72
.020
X
12,13,24"
X
72
.025
X
12,13,24"
X
72
.030
X
12,13,24"
X
72
.035
X
12,13,24"
X
72
.040
X
12,13,24"
X
72
.050
X
12,13,24"
X
72
.060
X
12,13,24"
X
72
.062
X
12,,24"
X
72
.072
X
12,,24"
X
72
.075
X
12,,24"
X
72
.080
X
12,,24"
X
72
.090
X
Random
X
72
.092
X
Random
X
72
.100
X
Random
X
72
.115
X
Random
X
72
.125
X
Random
X
72


ASTM F15 ALLOY
(KOVAR)
.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


ASTM F15 ALLOY
(KOVAR)
MIL | 23011C CLASS 1
NI/IRON/COBALT ALLOY PLATE - HOT ROLLED
.150 x 15 x 72 .500 x 15 x 72
.164 x 15 x 72 .515 x 15 x 72
.187 x 15 x 72 .540 x 15 x 72
.210 x 15 x 72 .587 x 15 x 72
.235 x 15 x 72 .625 x 15 x 72
.250 x 15 x 72 .687 x 15 x 72
.260 x 15 x 72 .700 x 15 x 72
.281 x 15 x 72 .750 x 15 x 72
.312 x 15 x 72 .850 x 15 x 72
.320 x 15 x 72 .860 x 15 x 48
.375 x 15 x 72 .875 x 15 x 48
.390 x 15 x 72 1.00 x 15 x 31
.400 x 15 x 72 1.50 x 15 x 31
.425 x 15 x 72 2.00 x 15 x 24
.437 x 15 x 72


ASTM F15 Alloy
ROD (KOVAR)
CERTIFIED TO -196 DEGREES C
WITH NO PHASE TRANSFORMATION
.040 .187 .500 1.375
.050 .200 .562 1.500
.060 .203 .625 1.625
.062 .218 .750 1.750
.100 .250 .875 2.0
.125 .312 1.0 2.125
.156 .375 1.125 2.5
.178 .437 1.250 3.0
OTHER SIZES AVAILABLE UPON REQUEST

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