Ohmalloy Material Co.,Ltd
| Payment Terms | , L/C, T/T |
| Supply Ability | 20000T/Year |
| Delivery Time | 7-20days after your deposit received |
| Packaging Details | IN Wooden box |
| Standard | ASTM B122 |
| Surface | Bright |
| Power or not | Not |
| Type | Cu-Ni-Zn |
| Craft | Hot forging& Cold Rolling |
| Shape | Foil&Strip |
| DIN | 2.0740 |
| JIS | C7521 |
| UNS | Bzn 18-18 |
| Brand Name | OHMALLOY |
| Model Number | C7521 |
| Certification | ISO ROHS |
| Place of Origin | China(Shanghai) |
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Product Specification
| Payment Terms | , L/C, T/T | Supply Ability | 20000T/Year |
| Delivery Time | 7-20days after your deposit received | Packaging Details | IN Wooden box |
| Standard | ASTM B122 | Surface | Bright |
| Power or not | Not | Type | Cu-Ni-Zn |
| Craft | Hot forging& Cold Rolling | Shape | Foil&Strip |
| DIN | 2.0740 | JIS | C7521 |
| UNS | Bzn 18-18 | Brand Name | OHMALLOY |
| Model Number | C7521 | Certification | ISO ROHS |
| Place of Origin | China(Shanghai) | ||
| High Light | C77000 Copper Nickel silver alloy strip ，C7701 Copper Nickel silver alloy strip ，sheet Copper Nickel silver alloy strip | ||
Copper Nickel silver alloy strip C77000/C7701 strip/sheet
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2008
Total Annual:
4000000-6000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface... Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface...
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