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Werlding Wire:
 
AS SG2 is a copper coated gas metal arc welding wire in 15 kg spools or 250 kg drums. It is particularly designed for semi-automatic and full-automatic GMAW applications. Working temparature can range between -50 to +450°C. CO2 or 80 % Ar + 20 % CO2 are used for gas shielding.
 
Classification and Typical Wire Composition (%) :
 
 
C
Si
Mn
P
S
Cl
Ni
Mo
Cu
Values
0,06
0,80-1,15
1,40-1,85
max 0,025
max 0,035
 
 
 
 
Analyse values
0,07
0,89
1,48
0,016
0,010
0,10,
0,010
 
0,010

Mechanical Properties of the Weld Metal, Typical :

Yield Strength
Tensile Strength
Elongation (L=5d)
Impact (ISO-V)
450 N/mm2
515 N/mm2
30 %
-29

Applications  :
 
It is used for the gas metal arc welding of unalloyed structural steels with a tensile strenght up to 530 N/mm²; ship's plates and fine grained carbon-manganese steels.

 

Structural Steels :
St 33 (1.0035), St 37-2 (1.0037), St 52-3 (1.0570)
C10-Ck10 (1.0301), C35-Ck35 (1.0501)

 

 

 

 

 

Pressure Vessel Steels :
HI (1.0345), HII (1.0425), 17 Mn 4 (1.0481), 19 Mn 6 (1.0473)

 

 

 

 

 

Pipe Materials :
St E 210-7 (0.8135), St E 240-7 (1.0457), St E 290-7 (1.0484)
St E 320-7 (1.0430), St E 360-7 (1.0582)

 

 

 

 

 

Fine Grained Steels :
St E 255 (1.0461), St E 420 (1.8902)

 

 

 

 

 

 

 

Current Type and Welding Parameters :
DC (+)                    

Diameter (mm)
Current (A)
Voltage (V)
Spool Weight (kg)
  Short Arc
0.80
60-140
18-22
15
  Short Arc
1.00
80-175
18-24
15
  Short Arc
1.20
120-200
18-27
15
  Spray Arc
1.20
150-280
25-40
15
  Spray Arc
1.60
225-480
28-40
15

 

Welding Positions :