Solid Wire for Submerged Arc Welding AWS EM12K

Good welding workmanship, stable arc, little spatter, quick wire melting, strong anti-rust, suitable for all position weld.
Product Name
Solid Wire for Submerged Arc Welding
Product No.
MHAE421-WW030
Standard
GB
AWS
JIS
DIN

AWS A5.17 EM12K


Welding Wire Type
Carbon Steel and Low Alloy Steel Submerged Arc Welding Wires
Welding Position
F
Combined Flux
AWS A5.17 F7A4/EM12K or AWS A5.17 F7A0/EM12K
Chemical Composition of Deposited Metal (%)
Chemical Composition
C
Mn
Si
S
P
Cr
Ni
Mo
Cu
Standard
0.05-0.15
0.80-1.25
0.10-0.35
≤0.030
≤0.030
___
__
__
≤0.35
Typical
0.08
1.06

0.22

0.014

0.016

0.025
0.026
—

0.10
Mechanical Properties of Deposited Metal
Test Item
Yield Point
ReL (MPa)
Tensile Strength
Rm (MPa)
Elongation A 4(%)
Akv1(J)Tem
Temp. (°C)
Joule
AWS A5.17 F7A4/EM12K
420
510
31
-40
110
AWS A5.17 F7A0/EM12K
430
540
28
-20
70
Reference Current ( DC+ or AC)
Diameter(mm)
2.0
2.5
3.2
4.0
5.0
5.8
Application
Suitable for fabricating normal strength structures made by 450MPa-500MPa tensile strength mild steels, e.g. LPG cylinder.