Apply to ships of steel(A.B.D.E.A36.D36.E36)and at the same level of intensity of low-alloy steel welding important structions.Such as containers,vehicles,construction machinery,semi-automatic and automatic gas shielded welding.

Chemical composition:
SG2-G3Si1:
C:0.06-0.15
Mn:1.40-1.85
Si:0.80-1.15
P<=0.025
S<=0.035

SG3-G4Si1:
C:0.06-0.14
Mn:1.60-1.90
Si:0.80-1.20
P<=0.025
S<=0.025