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Baoji Refractory Metal Developer Co.,Ltd is one of the leading China nickel wire manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale nickel wire products from us.
² Chemical Composition:
Grade |
Chief component % |
≤ Impurities max % |
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Ni+Co |
Cu |
Si |
Mn |
C |
Mg |
S |
P |
Fe |
Pb |
Bi |
As |
Sb |
Zn |
Cd |
Sn |
Cr |
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N4 |
99.9 |
0.015 |
0.03 |
0.002 |
0.01 |
0.01 |
0.001 |
0.001 |
0.04 |
0.001 |
0.001 |
0.001 |
0.001 |
0.005 |
0.001 |
0.001 |
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N5 |
99.0 |
0.25 |
0.30 |
0.35 |
0.02 |
0.01 |
0.40 |
0.2 |
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N6 |
99.5 |
0.10 |
0.10 |
0.05 |
0.10 |
0.10 |
0.005 |
0.002 |
0.10 |
0.002 |
0.002 |
0.002 |
0.002 |
0.007 |
0.002 |
0.002 |
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N7 |
99 |
0.25 |
0.30 |
0.35 |
0.15 |
0.01 |
0.40 |
0.2 |
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Note： NUS N02201 (ASTM B 162) same as N5 (GB/T 2054). NUS N02200 (ASTM B 162) same as N7 (GB/T 2054). |
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² Specification：Diameter Φ0.03~3.20mm
² Range of use:
Used in electric apparatus and chemical machinery
—For vacuum coating —Components insides the electron tubes
—For making lead, supporting wire —For battery production
—Strong base of the filter —Components insides the electron tubes
—For making valves grid, inner components of vacuum valves
² Tolerance：
Diameter（mm） |
Tolerance （mm） |
0.03 |
±0.0025 |
＞0.03~0.10 |
±0.005 |
＞0.10~0.40 |
±0.006 |
＞0.40~0.80 |
±0.013 |
＞0.80~1.2 |
±0.02 |
＞1.2~2.0 |
±0.03 |
＞2.0~3.2 |
±0.04 |
＞3.2~4.8 |
±0.05 |
＞4.8~8.0 |
±0.06 |
＞8.0~10.0 |
±0.07 |
Note:Special demands on tolerance available. | |