OK 63.41
SMAW
Type Rutile-acid

OK 63.41 is an extra-low carbon, acid-resistant, high-recovery LMA electrode of the 18Cr12.5Ni2.8Mo type. The electrode is intended for use in the flat position and gives smooth, shiny beads. The fillet weld has a slightly concave cross section.
Welding current, A
AC, DC+ OCV 55 V


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 1600
E 19 12 3 L R 5 3
SFA/AWS 5.4
E316L-26
Werkstoff Nr.
1.4430
DNV316L
LR316L, 316LN
VdTV01014
CEEN 13479
C<0,03
Si0,7
Mn0,9
Cr18,0
Ni12,0
Mo2,8
Cu<0,3
Redrying temperature, C
350
Redrying time, hours
2
Recovery
150%
Yield stress, MPa
460
Tensile strength, MPa
570
Elongation, %
35
Elongation, %
35
Ferrite content
FN 3-8
Charpy V
Test temps, CImpact values, J
+2060
-6052

Diameter, mm2,02,53,24,05,0
Length, mm 300 300 350 450 450
Arc voltage, V 32 34 36 37 42
Welding current, A 45-70 60-90 80-130 110-180 170-240
N. Kg weld metal/kg electrodes 0,61 0,61 0,58 0,60 0,61
B. No. of electrodes/kg weld metal 103 65 35 17 11
H. Kg weld metal/hour arc time 1,0 1,6 2,1 2,9 4,0
T. Burn-off time, secs/electrode 36 35 50 70 82

 

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