Baoji Refractory Metal Developer Co.,Ltd is one of the leading China nickel tube manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale nickel tube, nickel pipe products from us.
² Chemical Composition:
Grade |
Chief component % |
Impurities max % |
||||||||||||||||
Ni+Co |
Cu |
Si |
Mn |
C |
Mg |
S |
P |
Fe |
Pb |
Bi |
As |
Sb |
Zn |
Cd |
Sn |
Cr |
||
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 |
||
N5 |
99.0 |
0.25 |
0.30 |
0.35 |
0.02 |
0.01 |
0.40 |
0.2 |
||||||||||
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 |
||
N7 |
99 |
0.25 |
0.30 |
0.35 |
0.15 |
0.01 |
0.40 |
0.2 |
||||||||||
Note: NUS N02201 (ASTM B 162) same as N5 (GB/T 2054). NUS N02200 (ASTM B 162) same as N7 (GB/T 2054). |
² Specification:Φ1.4~78×0.15~4×L<1300mm
² Tolerance:
Outside diameter,inch (mm) |
OD tolerance,inch(mm) |
Permissible variation in wall thickness,% |
<0.095(2.4) |
±0.002(0.05) |
±10 |
0.095~0.19(2.4-4.8) |
±0.003(0.08) |
±10 |
0.19~0.400(4.8-10) |
±0.004(0.10) |
±10 |
0.400~0.625(10-16) |
±0.005 (0.13) |
±15 |
0.625~1.5(16-38) |
±0.0075 (0.19) |
±10 |
1.5~3(38-76) |
±0.010(0.25) |
±10 |
3~4.2(76-114) |
±0.015(0.38) |
±10 |
4.2~6(114-152) |
±0.020 (0.51) |
±12.5 |
6~6.625(152-168) |
±0.025(0.64) |
±12.5 |
6.625~8.625(168-219) |
±0.031(0.79) |
±12.5 |
Note:Special demands on tolerance available. |