OK 69.33
SMAW
Type Rutile-basic

OK 69.33 is a stainless steel electrode which deposits a fully austenitic weld metal with increased resistance to sulphuric acid. The weld metal of OK 69.33 also has good resistance to intergranular and pitting corrosion.
Welding current, A
AC, DC+ OCV 65 V


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 1600
E 20 25 5 Cu N L R 3 2
SFA/AWS A5.4
E385-16
Werkstoff Nr.
1.4519
SeprosUNA 409820
VdTV02723
C<0,03
Si0,5
Mn1,3
Cr20,5
Ni25,5
Mo4,8
Cu1,6
Redrying temperature, C
250
Redrying time, hours
2
Recovery
115-120
Yield stress, MPa
400
Tensile strength, MPa
575
Elongation, %
35
Elongation, %
35
Ferrite content
FN 0
Charpy V
Test temps, CImpact values, J
+2080
-14045

Diameter, mm2,02,53,24,05,0
Length, mm 300 300 350 350 350
Arc voltage, V 23 24 27 29 31
Welding current, A 40-60 60-85 85-130 120-180 160-240
N. Kg weld metal/kg electrodes 0,58 0,60 0,58 0,51 0,51
B. No. of electrodes/kg weld metal 125 91 41 30 19
H. Kg weld metal/hour arc time 0,7 0,9 1,5 1,9 2,5
T. Burn-off time, secs/electrode 40 44 60 64 78

 

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