Application
Application of military materials Stainless steel (special stainless steel)
High temperature alloy (iron base; Nickel base; Cobalt base)
Electrical resistance alloy Precision alloy Aluminum alloy Titanium alloy
Welding material (stainless steel special electrode; Flux cored wire; Thermal spray powder)
Powder metallurgy (copper-chromium alloy contacts; Cemented carbide; Target material) Copper alloy （Electrical alloy；Chromium bronze）
National standard of metal chromium
|
Chemical composition (mass fraction) % |
|||||||
|
Not less than |
No greater than |
||||||
|
JCr99-A |
Fe |
Si |
Al |
Cu |
C |
S |
P |
|
99.0 |
0.30 |
0.25 |
0.30 |
0.005 |
0.01 |
0.01 |
0.005 |
|
Chemical composition (mass fraction) % |
|||||||
|
No greater than |
|||||||
|
Pb |
Sn |
Sb |
Bi |
As |
N |
H |
O |
|
0.0005 |
0.001 |
0.001 |
0.0005 |
0.001 |
0.03 |
0.005 |
0.30 |
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