C7521 Nickel Silver Strip Copper Alloys 0.2mm x 300mm 1/2 Hard Bright UNS.C75200
Brand Name:OHMALLOY
Certification:ISO ROHS
Model Number:C7521
Minimum Order Quantity:50kg
Payment Terms:, T/T, L/C
Place of Origin:China(Shanghai)
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Shanghai Shanghai China
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Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
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Product Details
C7521 Nickel Silver Strip Size 0.2mmx300mm 1/2 Hard Brigt UNS.C75200
Same Name
GB: Bzn18-18 UNS C752000 EN CuNi18Zn20 JIS C7521
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
Cu% 62~66 Ni%6.5~19.5 Zn% Re
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
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 |
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
Style of supply
| Alloys Name | Type | Dimension | ||
| C7521W | Wire | D=0.03mm~8mm | ||
| C7521R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| C7521S | Strip | W=8~250mm | T=0.1~3.0 | |
| C7521F | Foil | W=6~120mm | T=0.003~0.1 | |
| C7521B | Bar | Dia=8~100mm | L=50~1000 | |
C7521 Nickel Silver Strip Copper Alloys 0.2mm x 300mm 1/2 Hard Bright UNS.C75200
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