化學(xué)成分(質(zhì)量分?jǐn)?shù))/% |
||||||||
不小于 |
不大于 |
|||||||
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 |
|
化學(xué)成分(質(zhì)量分?jǐn)?shù))/% |
|
|||||||
不大于 |
||||||||
Pb |
Sn |
Sb |
Bi |
As |
N |
H |
O |
|
0.0005 |
0.001 |
0.001 |
0.0005 |
0.001 |
0.03 |
0.005 |
0.30 |