C75700 Copper Nickel Zinc strip
  • Air ProC75700 Copper Nickel Zinc strip
  • Air ProC75700 Copper Nickel Zinc strip
  • Air ProC75700 Copper Nickel Zinc strip

C75700 Copper Nickel Zinc strip

CuNi12Zn24 - UNS.C75700 Nickel Silver Alloys, also called Copper-Nickel-Zinc alloys, 64-12-24 respectively, which has good formability, good corrosion and tarnish-resistance performance.

Model:INT75703

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Product Description

1.    Introduction of the C75700 Cu64Ni12Zn24 Copper Nickel Zinc strip

C75700 Nickel Silver

CuNi12Zn24 - UNS.C75700 Nickel Silver Alloys, also called Copper-Nickel-Zinc alloys, 64-12-24 respectively, which has good formability, good corrosion and tarnish-resistance performance, and this alloy has the pleasing silver-like color..


2.    Grade and temper for C75700 Copper Nickel Zinc strip

Grade:  UNS C75700, CDA757 , CuNi12Zn24, JIS C7451, BZn12-24, 

Temper:  O(M), 1/4H(Y4), 1/2H(Y2), H(Y), HH(T)


3.    The chemical composition of copper UNS C75700

C75700 Cu64Ni12Zn24 Chemical Composition:

Cu: 63.0-66.00%
Ni: 11.00-13%
Fe: 0.5% Max.
Pb: 0.02% Max.
Mn: 0.30% Max.
Zn: Balance

GB

UNS

EN

JIS

Cu%

Ni%

Zn%

BZn15-20

C75700

CuNi12Zn24

C7451

63-66

11-13

Rem


4.    Properties of of C75700 Cu64Ni12Zn24 Copper Nickel Zinc strip

Physical properties for C75700 alloy

Density g/cm3

Electrical conductivity %IACS

Thermal conductivity W/(m.K)

Modulus of elasticity GPa

Specific heat J/(g.K)

8.7

7

40

125

0.38

Fabrication properties for C75700 alloy

cold-workability

machinability

electric plating property

hot dip tin plating property

weldability

corrosion

excellent

suitable

excellent

excellent

good

excellent


Mechanical Properties for C75700 Cu64Ni12Zn24

State Hardness HV Tension test bending test
Thickness mm Tensile strength MPa elongation % thickness angles ID
0 - 0.1-5.0 ≥325 ≥25 ≤1.6 180° sticking closely
1/2H 110-170 0.1-5.0 410-500 ≥10 ≤1.6 180° 100% of thickness
H ≥135 0.1-0.15 490-580 ≥4 ≤1.6 180° 200% of thickness
>0.15-5.0 ≥550 ≥2


5.    Application of C75700 Cu64Ni12Zn24 Copper Nickel Zinc strip

C75700 CuNi12Zn24 Nickel Silver is mainly used in manufacture of corrosion-resistant structural parts, such as various precision instruments, springs, sockets, covers and other parts of advanced electronic components.

It is also used in musical instruments, tableware, glasses frames and decoration works .


6.    Manufacture plant of C75700 Cu64Ni12Zn24Copper Nickel Zinc strip


7.    Tests and inspection for C75700 Cu64Ni12Zn24 Copper Nickel Zinc strip

Test instrument : Metallographic Microscope; Digital Light Processor; Strength Tester; Hardness Tester.

8.    Mill certificate for C75700 Cu64Ni12Zn24 Copper Nickel Zinc strip

10. Packing and shipping for C75700 Cu64Ni12Zn24 Copper Nickel Zinc strip

  Packing:

 First wrapped by anti-rust paper, second wrapped by plastic film, then packed by wooden box or wooden pallet ..



Shipping:

We will choose the best way according to customer’s requests.
1. By Air, to the indicated airport.

2. By Express (FedEx, UPS, DHL, TNT,EMS), to the indicated address.
2. By Sea, to the indicated sea port.


11. Questions and Answers

a1. Do you have ISO certificate?

Yes, we obtained ISO9001


a2. How long is your delivery time for C75700 Cu64Ni12Zn24 strip?

If the master coil is available,  3-7 days do slitting will be ready , if not, will need 25 days for new production.


a3. Can you help us to choose suitable material?

 Yes, we can recommend the most suitable material according to your application.


a4. How do you control quality?

We produce strictly according to customer’s drawings and requests, here are strict control plan in every process, full check of each parts, strive to provide customer 100% quality products, ROHS/SGS test report, material certificate are available.


a5. Do you provide sample? Free or charge?

Yes, if the sample in stock available, free of charge, if not, need to charge some mfg cost.

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