C7701/C7521 Copper Nickel Zinc Alloy Strip
Nickel Silver Sheet/strip/wireThe following grades of Nickel Silver are manufactured:
1. 25% Ni 20%Zn
2. 15% Ni 20%Zn
3. 18% Ni 18%Zn
4. 18% Ni 26%Zn
Specification of nickel silver we supply as follows:
Plate: Thickness: 0.4-1.5mm width: 310mm(max) length: 2500mm
Strip: Thickness: 0.1-1.2mm width: 310mm(max)
Parameter for Nickel Silver Sheet/Copper Nickel Zinc Sheet:
Alloy No. |
Chemical Composition |
Cu |
Mn |
Ni |
Zn |
C75200 |
63.0-66.5 |
0-0.5 |
16.5-19.5 |
Remainder |
C7541 |
60.0-64 |
0-0.5 |
12.5-15.5 |
Remainder |
C77000 |
53.5-56.5 |
0-0.5 |
16.5-19.5 |
Remainder
|
Alloy No. |
Quality Grade |
Shanghai Properties |
Tensile |
Elongation |
Hardness Test |
Strength |
(Kgf/mm 2 ) |
JIS |
ShanghaiMetal |
|
Standards |
C75200 |
O |
≥ 38 |
≥ 20 |
- |
≥ 110 |
1/4H |
38~46 |
≥ 10 |
- |
110~140 |
1/2H |
44~52 |
≥ 5 |
120~180 |
130~160 |
3/4H |
- |
- |
- |
- |
H |
52~60 |
≥ 3 |
> 150 |
150~180 |
EH |
≥ 58 |
- |
- |
≥ 180 |
SH |
- |
- |
- |
- |
C7541 |
O |
≥ 36 |
≥ 20 |
- |
≥ 110 |
1/4H |
- |
- |
- |
- |
1/2H |
42~55 |
≥ 5 |
110~170 |
110~150 |
3/4H |
- |
- |
- |
- |
H |
≥ 50 |
≥ 3 |
> 135 |
≥135 |
EH |
- |
- |
- |
- |
SH |
- |
- |
- |
- |
C7700 |
O |
- |
- |
- |
- |
1/4H |
- |
- |
- |
- |
1/2H |
55~67 |
≥ 8 |
150~210 |
140~200 |
3/4H |
- |
- |
- |
- |
H |
64~75 |
≥ 4 |
180~240 |
175~220 |
EH |
72~82 |
- |
210~260 |
195~240 |
SH |
78~88 |
- |
230~270 |
210~250
|