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Cu-Ni-Zn Alloy
Application
C7701 and C7521 nickel silver strips/plates are Cu-Ni-Zn alloys supplied in thicknesses of 0.08–1.0 mm. They are used in industrial applications such as antennas, mobile phone shielding covers, crystal resonator housings, silverware, jewelry, eyewear components, medical devices, zippers, keys, and related products.
| Grade | State | Tensile test | Hardness test | Main components | |||||||
| China | Japan | America | Thickness (mm) | Tensile strength (Mpa) | Elongation (%) | Thickness (mm) | Vickers hardness (HV) | Cu (%) | Ni (%) | Zn (%) | |
| Bzn18-18 | C7521 | C75200 | 0 | 0.08-10.0 | ≥375 | ≥20 | 63.5-66.5 | 16.5-19.5 | Balance | ||
| 1/2H | 0.08-10.0 | 440-570 | ≥5 | ≥0.06 | 120-180 | ||||||
| H | 0.08-10.0 | ≥540 | ≥3 | ≥0.06 | 150-200 | ||||||
| Bzn18-26 | C7701 | C77000 | 1/2H | 0.08-10.0 | 540-655 | ≥8 | ≥0.06 | 150-210 | 53.5-56.5 | 16.5-19.5 | 16.5-19.5 |
| H | 0.08-10.0 | 630-735 | ≥4 | ≥0.06 | 180-240 | ||||||
| EH | 0.08-10.0 | 705-805 | ≥0.06 | 210-260 | |||||||
| SH | 0.08-10.0 | 765-865 | 230-270 | ||||||||
Index
alloy strip, copper nickel zinc alloy
OHMALLOY Material Co.,Ltd.
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