C75200 Nickel Silver Strip ASTM B122 for Electronics Connectors &
Jewelry Findings
Product Description
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
Any Inquiry about the Nickel Silver Strip..Welcome to asking.
Production Process
Zinc Germany Copper Alloy Copper Alloy Roll Weight 50kg~5000kg
0.6mm Nickel Silver Copper Alloy Copper Alloy MOQ 50kg
Package
Strip C7521 / Copper Alloy Copper Alloy OEM Service Available
Zinc Germany Copper Alloy Copper Alloy Surface Bright like silver
Testing Equirement
0.6mm Nickel Silver Copper Alloy Copper Alloy Package Standard
plywood case packaging or according to your demand
Shipment
Strip C7521 / Copper Alloy Copper Alloy Shape Strip Roll
FAQ:
1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you
want.
If we do not have, for spool wire, we can produce 1 spool, about
2-3kg. For coil wire, 25kg.
2. How can you pay for small sample amount?
We have account, wire transfer for sample amount also ok.
3. Customer do not have express account. How will us arrange the
delivery for sample order?
Just need to provide your address information, we will check the
express cost, you can arrange the express cost together with sample
value.
4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery
and total amount. Let's talk more in details after getting your
detailed requirements.
5. Do you provide free samples?
If you want several meters and we have stock of your size, we can
provide, customer need to bear the International express cost.
6. What's our working time?
We will give you reply through email/phone Online contact tool
within 24 hours. No matter working day or holidays.
