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C10200 is an oxygen-free copper, which is used mainly in electronics due to high electrical conductivity. This high purity alloy (99.95 Cu+Ag) is produced without the use of metal or metalloid deoxidizers. Excessive amounts of impurities reduce conductivity. This alloy has excellent resistance to atmospheric corrosion and can be fabricated by a variety of hot and cold methods. Typical applications: busbars, bus conductors, waveguides, hollow conductors, lead-in wires and anodes for vacuum tubes, vacuum seals, transistor components, glass to metal seals, coaxial cables, klystrons, microwave tubes and rectifiers.
| Weight % | Cu + Ag | Other |
|---|---|---|
| minimum | — | — |
| maximum | 99.95 | 0.05 |
| Characteristics | English | Metric | ||
|---|---|---|---|---|
| Nominal density
(68°F/20°C) |
0.323 lbs/in3 | 8.94 g/cm3 | ||
| Specific heat
(212 °F/100°C) |
0.092 BTU/lb – °F | 385 J/KG- °K | ||
| Coefficient of thermal
expansion |
68°F – 212°F
20°C – 100°C |
9.4 micro in/in- °F | 17.0 micro m/m- °K | |
| 68°F – 392°F
20°C – 200°C |
9.6 micro in/in- °F | 17.3 micro m/m- °K | ||
| 68°F – 572°F
20°C – 300°C |
9.8 micro in/in- °F | 17.7 micro m/m- °K | ||
| Thermal conductivity
|
20°C / 68°F | 226 BTU/ft- hr – °F | 391 W/m – °K | |
| Electrical resistivity | 20°C / 68°F | 17.1 nΩ ∙ m | ||
| Electrical conductivity | 20°C / 68°F | 101% IACS | ||
| Temper | Tensile | Hardness | Shear | Fatigue | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ultimate | Yield | Elongation
in 50 mm (2 in.) |
Rockwell F | Shear strength | Fatigue strength | ||||||
| KSI | MPa | KSI | MPa | % | KSI | MPa | KSI | MPa | |||
| M20 – Hot rolled | 1 mm
(0.04 in.) thick |
34 | 235 | 10 | 69 | 45 | 45 | 23 | 160 | — | — |
| OSO25 – 0.025 Grain size | 34 | 235 | 11 | 76 | 45 | 45 | 23 | 160 | 11 | 76 | |
| OSO50 – 0.05
Grain size |
32 | 220 | 10 | 69 | 45 | 40 | 22 | 150 | — | — | |
| H00 – ⅛ Hard | 36 | 250 | 28 | 195 | 30 | 60 | 25 | 170 | — | — | |
| H01 – ¼ Hard | 38 | 260 | 30 | 205 | 25 | 70 | 25 | 170 | — | — | |
| H02 – ½ Hard | 42 | 290 | 36 | 250 | 14 | 84 | 26 | 180 | 13 | 90 | |
| H04 – Hard | 50 | 345 | 45 | 310 | 6 | 90 | 28 | 195 | 13 | 90 | |
| H08 – Spring | 55 | 380 | 50 | 345 | 4 | 94 | 29 | 200 | 14 | 95 | |
| H10 – Extra Spring | 57 | 395 | 50 | 345 | 4 | 95 | 29 | 200 | — | — | |
| M20 – Hot rolled
Or OSO50 – 0.05 Grain size |
6 mm
(0.25 in.) thick |
32 | 220 | 10 | 69 | 50 | 40 | 22 | 150 | — | — |
| H00 – ⅛ Hard | 36 | 250 | 28 | 195 | 40 | 60 | 25 | 170 | — | — | |
| H01 – ¼ Hard | 38 | 260 | 30 | 205 | 35 | 70 | 25 | 170 | — | — | |
| H04 – Hard | 50 | 345 | 45 | 310 | 12 | 90 | 28 | 195 | — | — | |
| H04 – Hard | 25 mm
(1 in.) thick |
45 | 310 | 40 | 275 | 20 | 85 | 26 | 180 | — | — |
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