OK 67.55
SMAW


Welding current, A
DC+


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 1600
E 22 9 3 N L B 2 2
SFA/AWS A5.4
E2209-15
Werkstoff Nr.
1.4462
DNVFor duplex SS
SeprosUNA 409820
VdTV06774
C<0,04
Si0,5
Mn0,9
Cr22,5
Ni9,3
Mo3,0
N0,15
Redrying temperature, C
200
Redrying time, hours
2
Recovery
102-106
Yield stress, MPa
650
Tensile strength, MPa
800
Elongation, %
28
Elongation, %
28
Ferrite content
FN 35-50
Charpy V
Test temps, CImpact values, J
+20100
-2085
-4075
-6065

Diameter, mm2,53,24,0
Length, mm 300 350 350
Arc voltage, V 21 21 21
Welding current, A 50-80 60-100 100-140
N. Kg weld metal/kg electrodes 0,58 0,58 0,58
B. No. of electrodes/kg weld metal 98 50 32
H. Kg weld metal/hour arc time 0,8 1,0 1,5
T. Burn-off time, secs/electrode 46 71 74

 

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