OK 63.80
SMAW
Type Rutile-acid

OK 63.80 is a stainless LMA electrode for welding Nb- or Ti-stabilized stainless steels of the 18Cr12Ni2-3Mo type. OK 63.80 is specially designed for welding Nb- and Ti-stabilized stainless steel corresponding to DIN Werkstoff Nr: 4573 and 4583.
Welding current, A
DC+, AC OCV 50 V


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 1600
E 19 12 3 Nb R 3 2
SFA/AWS A5.4
E318-17
Werkstoff Nr.
1.4576
VdTV 00639
CEEN 13479
C<0,03
Si0,7
Mn0,9
Cr18,0
Ni12,0
Mo2,8
Nb<0,6
Cu<0,3
Redrying temperature, C
350
Redrying time, hours
2
Recovery
110
Yield stress, MPa
500
Tensile strength, MPa
614
Elongation, %
38
Elongation, %
38
Ferrite content
FN 6-12
Charpy V
Test temps, CImpact values, J
+2055
-6041

Diameter, mm2,02,53,24,0
Length, mm 300 300 350 350
Arc voltage, V 29 30 32 33
Welding current, A 45-65 60-90 80-120 120-170
N. Kg weld metal/kg electrodes 0,56 0,56 0,61 0,61
B. No. of electrodes/kg weld metal 155 97 48 32
H. Kg weld metal/hour arc time 0,8 1,1 1,4 2,1
T. Burn-off time, secs/electrode 29 35 54 55

 

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