Share on (60507222119):
Parameter for Nickel Silver Strips/Copper Nickel Zinc Strips:
| Alloy No. | Chemical Composition | |||
| Cu | Mn | Ni | Zn | |
| C7521 | 62.0-66 | 0-0.5 | 16.5-19.5 | Remainder |
| C7541 | 60.0-64 | 0-0.5 | 12.5-15.5 | Remainder |
| C7701 | 54.0-58 | 0-0.5 | 16.5-19.5 | Remainder |


Features for Nickel Silver Strips/Copper Nickel Zinc Strips:
1) Good color
2) High toughness
3) High strength
4) High stability
5) Excellent elasticity with fine silver gloss
6) Good fatigue
7) Rust and corrosion resistance properties
8) C7521 and C7541 have very good deep-drawing performance
| Alloy No. | Quality Grade | Ohmalloy Properties | |||
| Tensile | Elongation | Hardness Test | |||
| Strength | |||||
| (Kgf/mm 2 ) | JIS | OHMALLOY | |||
| Standards | |||||
| C7521 | O | ≥ 38 | ≥ 20 | — | ≥ 110 |
| 1/4H | 38~46 | ≥ 10 | — | 110~140 | |
| 1/2H | 44~52 | ≥ 5 | 120~180 | 130~160 | |
| 3/4H | — | — | — | — | |
| H | 52~60 | ≥ 3 | > 150 | 150~180 | |
| EH | ≥ 58 | — | — | ≥ 180 | |
| SH | — | — | — | — | |
| C7541 | O | ≥ 36 | ≥ 20 | — | ≥ 110 |
| 1/4H | — | — | — | — | |
| 1/2H | 42~55 | ≥ 5 | 110~170 | 110~150 | |
| 3/4H | — | — | — | — | |
| H | ≥ 50 | ≥ 3 | > 135 | ≥135 | |
| EH | — | — | — | — | |
| SH | — | — | — | — | |
| C7701 | O | — | — | — | — |
| 1/4H | — | — | — | — | |
| 1/2H | 55~67 | ≥ 8 | 150~210 | 140~200 | |
| 3/4H | — | — | — | — | |
| H | 64~75 | ≥ 4 | 180~240 | 175~220 | |
| EH | 72~82 | — | 210~260 | 195~240 | |
| SH | 78~88 | — | 230~270 | 210~250 | |
Applications for Nickel Silver Strips/Copper Nickel Zinc Strips:
1) Shielding material for communication electronics
2) Antenna material
3) EMI-shielding material
4) Spring contact
5) Flexible terminal
6) Environmentally-friendly plating-free electronic parts and components
7) Quartz oscillator
8) High-level material
9) Electric material






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