1. Description
Copper-Nickel-Zinc alloy, also called nickel silver, German silver, new silver, nickel brass, albata, or electrum, is a copper alloy with nickel and often zinc. Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.
Chemical Content(%)
| Cu | Fe | Mn | Ni | Pb | Zn |
| 61.0~67.0 | < 0.25 | < 0.5 | 16.5~19.5 | < 0.1 | Remainder |
Mechanical Properties
| Condition | 1/2 Hard | Hard | Annealed |
| Hardness | 120 ~ 180 HV | Min. 150 HV | - |
| Tensile Strength | 440 ~ 570 MPa | Min. 540 MPa | Min. 373 Mpa |
| Elongation | Min. 5% | Min. 5% | Min. 20% |
Articles,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 | - | - | - | - |
Typical application
Shields,Liquid crystal oscillators,pressing parts
2. Specification
Pipe/tube : OD 18-350mm.
3. Packing detail
1). Coil (plastic spool) + compressed ply-wooden case + pallet
2). Coil (plastic spool) + carton + pallet
5. Products and services
4. Products and services
1). Pass: ISO9001 certification, and SO14001cetification;
2). Fine after-sale services;
3). Small order accepted;
4). Fast delivery;
Hangzhou Ualloy Material Co., Ltd is a high-tech enterprise which specialized in making all kinds of alloy strip such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy for exhaust purifier.
HangZhou Ualloy Material Co., Ltd have a full production line from melting, surface cleaning, rolling and slitting, full set of testing machine and can meet all kinds of technical requirement from customer. Our product is widely used in heating equipment, big steel mill, mineral, electrical equipment, food machinery, auto industry, aerospace industry. Our product not only is popular in domestic market, but also been exported to all over the world.
Our company aims to be the best-quality alloy strip producer in the world. We insist on developing the more advanced alloy strip technology, to serve all the customer, improve people's living level, make a more green earth in the future.
