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Quick Details

Brand Name: TANKII
Alloy Or Not: Non-alloy
Width: 600mm MAX
Thickness: 0.01-5mm
Application: Electronics
Place of Origin: China (Mainland)
Model Number: C7521
Cu (Min): 63.5-66.5
Grade: C75200
Sample: Free
Surface: Bright
product name: CuNi18Zn20

Specifications


High precision nickel silver strip C7521
Copper Nickel Zinc alloy  C7521
Nickel Silver Alloy: C75200,C77000,C75400, CuNi18Zn20,CuNi18Zn27,CuNi15Zn20,etc.
Copper Nickel Alloy:  C71000,C71500, C70600, CuNi10,CuNi19,CuNi20,CuNi25,CuNi30,etc.
Shape:  Sheet, Strip,Foil, Wire, ribbon,
Features for Nickel Silver Strips/Copper Nickel Zinc Strips: 

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 for Nickel Silver Strips/Copper Nickel Zinc Strips:

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


Alloy 
Condition
Thickness

(mm)
Tensile strength

(Mpa)
Elongation

(%)
Hardness

(HV)


C7541
CuNi15Zn21
S


≥0.3
≥340
≥35
-
1/2H
440~570
≥5
-
H
540~690
≥1.5
-
UH
≥640
≥1
-

C7521
CuNi18Zn20
S

≥0.3
≥375
≥20
-
1/2H
440~570
≥5
120-180
H
≥540
≥3
≥150

C7701
CuNi18Zn27
S


≥0.3
≥400
≥40
--
1/2H
540~655
≥8
150~210
H
630~735
≥4
180~240
UH
705~805
--
210~260
CuNi19
S
≥0.3
≥290
≥30
-
H
≥390
≥5
-
Germany Silver strip C7701 C7521 Copper nickel zinc alloy copper strip