C7701 C7521 Nickel Silver Strip
  • Air ProC7701 C7521 Nickel Silver Strip
  • Air ProC7701 C7521 Nickel Silver Strip
  • Air ProC7701 C7521 Nickel Silver Strip
  • Air ProC7701 C7521 Nickel Silver Strip

C7701 C7521 Nickel Silver Strip

C7701 C7521 Nickel Silver strip alloys, also called Copper-Nickel-Zinc alloys, which has good formability, good corrosion and tarnish-resistance performance, and this alloy has the pleasing silver-like color.

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Product Description

C7701 C7521 Nickel Silver Strip

Nickel silver alloy factory, more than 10 years manufacture experience, attained ISO9001, work on OEM and ODM projects..



1.   Introduction of the C7701 C7521 Nickel Silver strip

C7701 C7521 Nickel Silver alloys, also called Copper-Nickel-Zinc alloys,  which has good formability, good corrosion and tarnish-resistance performance, and this alloy has the pleasing silver-like color.

C7701 C7521 Nickel Silver Strip introduction


2.   Grade and temper for C7701 C7521 Nickel Silver strip


Grade:  UNS.C77000, CDA770, CuNi18Zn27, JIS C7701, BZn18-27 ,CW410J

            UNS C75200, CDA752 , CuNi18Zn20, JIS C7521, BZn18-20, CW409J

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



3.   Chemical composition of C7701 C7521 Nickel Silver strip


C7701 Chemical Composition:

Cu: 54.0-58.00%
Ni: 16.5.00-19.5%
Fe: 0.25% Max.
Pb: 0.05% Max.
Mn: 0.50% Max.
Zn: Balance


C7521 Chemical Composition:

Cu: 62.0-66.00%
Ni: 16.5.00-19.5%
Fe: 0.25% Max.
Pb: 0.05% Max.
Mn: 0.50% Max.
Zn: Balance


Material

Grade

Chemical Composition



Be

Ni

Co

Sn

Mn

Fe

Pb

Cu

  Nickel silver  

  C7701  

  ~  

  16.5-19.5  

  ~  

  ~  

  0~0.5  

  ≤0.25  

  ≤0.05  

  54-58  

C7521

~

16.5-19.5

~

~

0~0.5

≤0.25

≤0.05

62-66



4.   Dimension and tolerance of C7701 C7521 Nickel Silver strip


Thickness mm

Width mm

≤200

>200~400

>400~600

>600~1000

Thickness tolerance / ± mm

Ordinary Level

               

Ordinary Level

                 

Ordinary Level

               

Ordinary Level

                 

0.10~0.20

0.010

0.015

0.015

>0.20~0.30

0.015

0.020

0.020

>0.30~0.50

0.020

0.025

0.030

0.050

>0.50~0.70

0.030

0.035

0.040

0.060

>0.70~1.10

0.040

0.045

0.050

0.070

>1.10~1.50

0.050

0.055

0.060

0.080

>1.50~2.50

0.055

0.060

0.080

0.100


 

5.   Characteristics of C7701 C7521 Nickel Silver strip


Mechanical Properties

 Alloy No 


 Quality 

Grade


Tensile

Strength

(Kgf/mm)


Elongation %


Hardness Test HV

C7521

O

≥38.5

≥20

~

1/2H

45~58

≥5

120~180

H

55以上

≥3

≥150

C7701

1/2H

55~66

≥8

150~210

H

64~75

≥5

180~240

EH

72~82

~

240~260

SH

78~88

~

230~270



6.   Application of C7701 C7521 Nickel Silver strip


C7701 C7521 Nickel Silver strip is mainly used in Liquid crystal oscillator component housing, medical machinery, slides for potentiometers, precision instruments, architecture, wind instruments, etc.


7.   Manufacture plant of C7701 C7521 Nickel Silver strip



8.   Tests and inspection for C7701 C7521 Nickel Silver strip


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

C7701 C7521 Nickel Silver Strip test


9.   Mill certificate forC7701 C7521 Nickel Silver strip


C7701 C7521 Nickel Silver Strip certificate


10. Packing and shipping for C7701 C7521 Nickel Silver strip


  Packing:

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

C7701 C7521 Nickel Silver Strip packing


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.

C7701 C7521 Nickel Silver Strip delivery



11.Questions and Answers


a1. Do you have ISO certificate?

Yes, we obtained ISO9001


a2. How long is your delivery time forNickel Silver strip?

If the master coil is available,  3-7 days do slitting will be ready , if not, will need 20-25 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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