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Easy-Machine Thermally Stable Kovar Nickel Alloy Rods
 |
This nickel-iron-cobalt alloy expands at the same rate as glass when heated. It offers better machinability than Invar 36 and is often used anywhere a dependable glass-to metal seal is required, such as in diodes and microwave tubes.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance | Mechanical Finish | Straightness Tolerance | Yield Strength, psi | Hardness | Temper | Specs. Met | 1/2 ft. Long | 1 ft. Long | 3 ft. Long | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Plain | |||||||||||||
| 3/16" | -0.002" to 0.002" | Ground | 1/8"/5 ft. | 55,000 | Rockwell B105 (Hard) | B (1/4 Hard) | ASTM F15 | 1215N11 | 000000 | 000000 | 000000 | ||
| 1/4" | -0.002" to 0.002" | Ground | 1/8"/5 ft. | 55,000 | Rockwell B105 (Hard) | B (1/4 Hard) | ASTM F15 | 1215N12 | 00000 | 00000 | 000000 | ||
| 3/8" | -0.002" to 0.002" | Ground | 1/8"/5 ft. | 55,000 | Rockwell B105 (Hard) | B (1/4 Hard) | ASTM F15 | 1215N13 | 00000 | 00000 | 000000 | ||
| 1/2" | -0.002" to 0.002" | Ground | 1/8"/5 ft. | 55,000 | Rockwell B105 (Hard) | B (1/4 Hard) | ASTM F15 | 1215N14 | 00000 | 000000 | 000000 | ||
| 5/8" | -0.002" to 0.002" | Ground | 1/8"/5 ft. | 55,000 | Rockwell B105 (Hard) | B (1/4 Hard) | ASTM F15 | 1215N15 | 000000 | 000000 | 000000 | ||
| 3/4" | -0.002" to 0.002" | Ground | 1/8"/5 ft. | 55,000 | Rockwell B105 (Hard) | B (1/4 Hard) | ASTM F15 | 1215N16 | 000000 | 000000 | 000000 | ||
Easy-Machine Thermally Stable Kovar Nickel Alloy Sheets
 |
This nickel-iron-cobalt alloy expands at the same rate as glass when heated. It offers better machinability than Invar 36 and is often used anywhere a dependable glass-to metal seal is required, such as in diodes and microwave tubes.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Thk. | Thk. Tolerance | Yield Strength, psi | Hardness | Heat Treatment | Specs. Met | 4" × 4" | 6" × 6" | 12" × 12" | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Plain | |||||||||||
| 0.01" | -0.001" to 0.001" | 50,000 | Rockwell B80 (Medium) | Annealed | ASTM F15 | 1215N17 | 000000 | 000000 | 000000 | ||
| 0.02" | -0.001" to 0.001" | 50,000 | Rockwell B80 (Medium) | Annealed | ASTM F15 | 1215N18 | 00000 | 00000 | 000000 | ||
| 0.04" | -0.001" to 0.001" | 50,000 | Rockwell B80 (Medium) | Annealed | ASTM F15 | 1215N21 | 00000 | 000000 | 000000 | ||
| 0.06" | -0.002" to 0.002" | 50,000 | Rockwell B80 (Medium) | Annealed | ASTM F15 | 1215N23 | 00000 | 000000 | 000000 | ||
| 0.09" | -0.003" to 0.003" | 50,000 | Rockwell B80 (Medium) | Annealed | ASTM F15 | 1215N24 | 000000 | 000000 | 000000 | ||
| 0.125" | -0.003" to 0.003" | 50,000 | Rockwell B80 (Medium) | Annealed | ASTM F15 | 1215N26 | 000000 | 000000 | 000000 | ||
