National service hotline135 2865 7111
151 1833 5099
151 1833 5099
Dongguan Denuo metal steel Co., LTD
Tel: 0769-83067750
Tang Zong 13528657111 (wechat same number)
Wang Lin 15118335099 (wechat same number)
Q Q: 806124705
Add: No.454 Taian Road, Chang 'an Town, Dongguan City, Guangdong Province
Zinc white copper models are BZn18-18, BZn18-26, BZn18-18, BZn15-12 (Zn) -1.8 (Pb), BZn15-24 (Zn) -1.5 (Pb).
Characteristic use:
Potentiometer with sliders, coins, tokens, eye frames, keys, rich deep drawing performance. Crystal oscillating element shell, crystal shell, medical machinery, construction, wind instrument, etc.
Nature:
Supply status: M H/2 H T
Chemical composition (main component %) : Cu 53.5-56.5, Zn allowance, Ni16.5-19.5.
Material hardness (JIS) standard and scope of use
|
(一） Chemical Composition |
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|
Product Name Type No. |
type AlloyNO |
chemical composition ChemicalComposition |
characteristic Chanactesistics |
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|
beryllium Be |
nickel Ni |
cobalt Co |
tin Sn |
manganese Mn |
iron Fe |
lead Pb |
copper Cu |
|||
|
Calcite |
C7521 |
~ |
16.5 ~19.5 |
~ |
~ |
0~0.5 |
0.25 below |
0.1 below |
62 ~66.0 |
Ductility, corrosion resistance, good fatigue resistance, smooth surface
|
|
C7701 |
~ |
16.5 ~19.5 |
~ |
~ |
0~0.5 |
0.25 below |
0.1 below |
54 ~58.0 |
||
|
(二）Mechanical properties Mechanical Properties |
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|
type Alloy No |
Quality difference Quality Grade |
tensile strength Tensile Strength （Kgf/mm |
elongation% Elongation |
hardness testHV Hardness Test |
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|
C7521 |
O |
38.5above |
20above |
~ |
||||||
|
1/2H |
45~58 |
5above |
120~180 |
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|
H |
55above |
3above |
150above |
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|
C7701 |
1/2H |
55~66 |
8above |
150~210 |
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|
H |
64~75 |
5above |
180~240 |
|||||||
|
EH |
72~82 |
~ |
240~260 |
|||||||
|
SH |
78~88 |
~ |
230~270 |
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Denuo company supplies all kinds of copper alloy custom brass tube pure copper strip red copper/purple copper plate tin bronze white copper aluminum bronze phosphor bronze beryllium copper strip and other specifications complete quality assurance!
Thickness of copper plate 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10 12 15 16 20-200mm
Copper rod diameter Φ3.0mm-315mm
Copper strip thickness 0.1 0.15 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.5 1.8 2.0mm
Copper wire diameter 0.1mm-4.0mm
Sincerely welcome new and old customers from all walks of life friends at any time to inquire and negotiate business, our high-quality products, reasonable prices, will certainly meet your requirements!
Welcome new and old customers to inquire and negotiate.
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