AWS
|
Y***92-2005
|
焊丝化学成分(%)
|
用 途
|
|||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
Cu
|
其它
|
ER309L-G
|
—
|
≤0.030
|
0.50-0.85
|
1.00-2.50
|
≤0.015
|
≤0.025
|
19.50-22.00
|
12.00-14.00
|
≤0.75
|
≤0.75
|
|
铁路货车专用焊材
|