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OK 55.00

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OK 55.00


SMAW
Type Lime-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, grades A, D and E.
Welding current
AC, DC+ OCV 65 V



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ClassificationsApprovalsTypical all weld metal composition, %Typical mech. properties all weld metal
SFA/AWS A5.1
E7018-1H4 R
EN ISO 2560-A
E 46 5 B 32 H5
ABS3H5
BV3YH5
DNV4YH5
GL3YH5
LR3YH5
VdTV00632
CEEN 13479
DB10.039.03
RS3YH5
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
Yield stress, MPa
480
Tensile strength, MPa
590
Elongation, %
28
Elongation, %
28
Charpy V
Test temps, CImpact values, J
-20115
-5050
Redrying temperature, C
350
Redrying time, hours
2
Recovery
125%

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, s/electrode 64 72 88 73 94 94 98

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