OK Autrod 12.56
GMAW

A copper-coated, manganese-silicon-alloyed electrode for the GMAW of unalloyed steels, such as general structural steels with a minimum tensile strength of no more than 510 MPa, and for fine-grained, carbon-manganese steels with a minimum yield strength of 360 MPa. OK Autrod 12.56 can be welded with Ar/20CO2 or pure CO2 as the shielding gas. The mechanical properties quoted here are welded with Ar/20CO2 as the shielding gas.
Welding current, A
DC+


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 440
G3Si1
DB42.039.01
DSEN 440
UDTEN 440
42.039/1
VdTV 
C0,1
Si0,9
Mn1,5
Wire composition
Yield stress, MPa
440
Tensile strength, MPa
530
Elongation, %
26
Elongation, %
26
Charpy V
Test temps, CImpact values, J
+20130
-2090
-3070

Diameter, mm0,60,80,91,01,21,41,6
Arc voltage, V 15-20 18-24 18-26 18-32 18-34 22-36 28-38
Welding current, A 30-100 60-200 70-250 80-300 120-380 150-420 225-550
H. Kg weld metal/hour arc time 0,7-1,7 0,8-3,0 0,9-3,6 1,0-5,6 1,3-8,0 1,6-8,7 2,1-11,4
Wire feed, m/min 5,5-13 3,2-13 3,0-12 2,7-15 2,3-15 2,3-12 2,3-12

 

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