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পণ্যের বিবরণ:
প্রদান:
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| স্ট্যান্ডার্ড: | ASTM B122 | পৃষ্ঠতল: | উজ্জ্বল |
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| ক্ষমতা বা না: | না | টাইপ: | Cu-Ni-Zn |
| নৈপুণ্য: | হট ফরজিং এবং কোল্ড রোলিং | আকৃতি: | ফয়েল এবং স্ট্রিপ |
| DIN: | 2.0740 | JIS: | C7521 |
| ইউএনএস: | Bzn 18-18 | ||
| লক্ষণীয় করা: | উজ্জ্বল নিকেল সিলভার স্ট্রিপ,নিকেল সিলভার স্ট্রিপ C7701,কুপ্রোনিকল নিকেল ফয়েল |
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Cupronickel Strip Nickel Silver Strip CuNi18Zn27NS107 C7701/C77000 Nickel Foil
C7521(CuNi18Zn20) UNS.C75200
Nickel Silver Alloys, also called Copper - Nickel - Zinc alloys, 65 - 18 - 18 respectively.which has good formability, good corrosion and tarnish - resistance performance, and this alloy has the pleasing silver - like color.
Chemical composition
| Articles | Chemical composition | |||||
| GB | UNS | EN | JIS | Cu% | Ni% | Zn% |
| BZn18-18 | C75200 | CuNi18Zn20 | C7521 | 62-66 | 16.5-19.5 | Rem |
Physical properties,fabrication properties
| Physical properties | fabrication properties | |||||||||
| density g/cm3 | electrical conductivity %IACS | thermal conductivity W/(m.K) | modulus of elasticity GPa | specific heat J/(g.K) | cold-workability | machinability | electric plating property | hot dip tin plating property | weldability | corrosion |
| 8.73 | 6 | 32 | 125 | 0.34 | excellent | suitable | excellent | excellent | good | excellent |
Mechanical properties
| Mechanical properties | |||||||
| State | Hardness HV | Tension test | bending test | ||||
| Thickness mm | Tensile strength MPa | elongation % | thickness | angles | ID | ||
| 0 | - | 0.1-5.0 | ≥375 | ≥20 | ≤1.6 | 180° | sticking closely |
| 1/2H | 120-180 | 0.1-5.0 | 440-570 | ≥5 | ≤1.6 | 180° | 100% of thickness |
| ≤0.5 | 200% of thickness | ||||||
| H | 150-210 | 0.1-0.15 | 540-640 | - | ≤1.6 | 180° | 200% of thickness |
| >0.15-5.0 | ≥3 | ≤0.5 | 400% of thickness | ||||
| EH | ≥185 | 0.1-5.0 | ≥610 | - | - | - | - |
Features
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
Applications
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
ব্যক্তি যোগাযোগ: Mr. Qiu
টেল: +8613795230939
