OK 75.78
SMAW


Welding current, A
AC, DC+ OCV 70 V


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 757
E 89 6 Z B 42 H5
C0,05
Si0,3
Mn2,1
Cr0,5
Ni3,0
Mo0,6
Recovery
115%
Yield stress, MPa
920
Tensile strength, MPa
965
Elongation, %
17
Elongation, %
17
Charpy V
Test temps, CImpact values, J
-6060

Diameter, mm2,5 3,24,0
Length, mm 350 350 450
Arc voltage, V 24 24 24
Welding current, A 70-110 110-150 150-200
N. Kg weld metal/kg electrodes 0,61 0,63 0,65
B. No. of electrodes/kg weld metal 73,5 32,6 21,9
H. Kg weld metal/hour arc time 0,9 1,4 1,9
T. Burn-off time, secs/electrode 52 77 86

 

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