Si
|
Cu
|
Zn
|
Fe
|
Mn
|
AL
|
≤0.03
|
≤0.002
|
≤0.013
|
≤0.18
|
≤0.003
|
余量
|
Si
|
Mg
|
Fe
|
Cu
|
Zn
|
Mn
|
AL
|
12
|
≤0.10
|
≤0.80
|
≤0.03
|
≤0.20
|
≤0.15
|
余量
|