AT&M Titania type CO2 shielded flux cored welding wire ,E81T1-K2

lower spatter loss, perfect joint appearance, less slag covering during welding, perfect mechanical properties after weldment.
For All Position Welding
AWS A5.29 E81T1-K2
GB/T17493 E551T1-K2
Characteristics on Usage
It is titania type CO
2
shielded flux cored wire for. There are characteristics such as lower spatter loss, perfect joint appearance, less slag covering during welding, and perfect mechanical properties after weldment.
Applications
For 550MPa high tensile steel, widely used in building machinery, bridges and tanks.
Notes on Usage
Use 100% CO
2
gas
CO
2
mass flow controlled at 20-25L/min
Wire extension: 15-25mm.
Proper preheating(60-150°C) according to grade of steel and plate thickness in order to be free from cold crack
DC
+
Typical Chemical Composition of Joint Metal
ID
Item
C
Mn
Si
N
i
S
P
AT-YJ552Q
Max
<= 0.12
0.50-1.75
<= 0.80
0.80-1.1
<= 0.030
<= 0.030
Standard
0.08
1.30
0.39
0.86
0.013
0.017
Typical Mechanical Properties of Joint Metal
ID
Item
Rm( MPa)
Rel(MPa)
A5(%)
Akv(0°C)(J)
Akv(-30°C)(J)
AT-YJ552Q
Max
>= 550
>= 470
>= 19
>= 47
>= 27
Standard
595
505
25
100
60
Parameters(DC
+
)
Diameter(mm)
Φ
1.2
Φ
1.4
Φ1.6
Current(A)
F
120-300
150-400
180-450
V-up, OH
120-260
150-270
180-280
V-down
200-300
220-300
250-300
H
120-280
150-320
180-350