|
牌号
|
C
|
Si
|
Mn
|
P
|
S
|
|
WH60A
|
≤0.20
|
≤0.60
|
≤1.8
|
≤0.025
|
≤0.020
|
|
WH60C
|
≤0.020
|
||||
|
WH60D
|
≤0.015
|
||||
|
WH60E
|
