OK 55.00
SMAW
Type Basic

OK 55.00 is a reliable, high-quality, LMA electrode, particularly suitable for welding high strength low-alloy steels. The good, low temperature impact strength of the weld metal should be noted. The weld metal is also very resistant to hot cracking. The electrode is also suitable for welding high strength ship's steel A, D and E quality.
Welding current, A
AC, DC+ OCV 65 V


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
SFA/AWS A5.1
E7018-1
CSA W48
E4918-1
EN ISO 2560-A
E 46 5 B 32 H5
ABS3H5, 3Y H5
BV3Y H5
CWBCSA W48
DB10.039.03
DNV3YH10
GL3YH5
LR3, 3Y H5
RS3YHH
SeprosUNA 409819
VdTV00632
CEEN 13479
C0,07
Si0,5
Mn1,4
P0,03
S0,03
Cr0,1
Ni0,1
Mo0,1
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
480
Tensile strength, MPa
590
Elongation, %
28
Elongation, %
28
Charpy V
Test temps, CImpact values, J
-20115
-5050

Diameter, mm2,53,23,24,04,05,06,0
Length, mm 350 350 450 350 450 450 450
Arc voltage, V 23 23 24 23 24 24 25
Welding current, A 80-110 110-140 110-140 140-200 140-200 200-270 215-360
N. Kg weld metal/kg electrodes 0,64 0,62 0,69 0,62 0,70 0,72 0,72
B. No. of electrodes/kg weld metal 65,8 41,1 30,0 28,0 19,0 13,0 9,0
H. Kg weld metal/hour arc time 0,86 1,22 1,4 1,77 2,0 3,0 4,0
T. Burn-off time, secs/electrode 64 72 88 73 94 94 98

 

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