OK 74.78
SMAW


Welding current, A
AC, DC+ OCV 65 V


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
SFA/AWS A5.5
E9018-D1
EN 757
E 55 4 MnMo B 3 2 H5
ABS3H5, 3Y
BV3Y HH
DB10.039.17
DB20.039.02
DNV3 YH10
LR3, 3Y H15
SeprosUNA 409819
VdTV01027
CEEN 13479
C0,06
Si0,4
Mn1,5
Mo0,4
P0,02
S0,02
Cr0,1
Ni0,1
V0,03
Nb0,02
Cu0,1
Al0,03
Sn0,01
Ti0,03
Pb0,02
As0,03
Redrying temperature, C
350
Redrying time, hours
2
Recovery
125%
Yield stress, MPa
600
Tensile strength, MPa
650
Elongation, %
24
Elongation, %
24
Charpy V
Test temps, CImpact values, J
0100
-2090
-5160
-3028

Diameter, mm2,02,53,24,05,06,0
Length, mm 300 350 450 450 450 450
Arc voltage, V 22 22 23 23 24 24
Welding current, A 55-80 75-100 105-140 140-190 190-260 240-340
N. Kg weld metal/kg electrodes 0,62 0,62 0,65 0,65 0,68 0,69
B. No. of electrodes/kg weld metal 136,0 73,0 32,0 20,5 14,0 10,0
H. Kg weld metal/hour arc time 0,7 0,9 1,3 1,8 2,6 3,6
T. Burn-off time, secs/electrode 38 55 86 97 100 103

 

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