Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement.
Chemical Composition:
Grade | Cu | Pb≤ | Fe≤ | P≤ | Sb≤ | Bi≤ | Zn |
H59 | 57.0-60.0 | 0.5 | 0.3 | 0.01 | 0.01 | 0.003 | -- |
H62 | 60.5-63.5 | 0.08 | 0.15 | 0.01 | 0.005 | 0.002 | -- |
H65 | 63.0-68.5 | 0.09 | 0.07 | 0.01 | 0.005 | 0.005 | -- |
H68 | 67.0-70.0 | 0.03 | 0.10 | 0.01 | 0.005 | 0.005 | -- |
Technical Property:
Grade | Tensile Strength (MPa) | Elongation (%) |
H59 C28000 C2801 |
≥294 |
≥25 |
H62 C27400 C2720 |
410-630 |
≥10 |
H65 C27000 C2680 |
≥390 |
≥40 |
H68 C26200 C2620 |
≥660 |
≥15 |
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