OK 67.45
SMAW
Type Basic

OK 67.45 is an 18-8-6Mn-austenitic, stainless steel electrode for welding dissimilar steels, 13Mn steels with reduced weldability and for cladding carbon steels. Can also be used as a buffer layer prior to hard surfacing.
Welding current, A
DC+


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 1600
E 18 8 Mn B 4 2
SFA/AWS A5.4
(E307-15)
ABSStainless
SeprosUNA 409820
VdTV01580
C0,11
Si0,5
Mn6,0
Cr18,5
Ni8,5
Mo<0,5
Cu<0,5
Redrying temperature, C
200
Redrying time, hours
2
Recovery
100
Yield stress, MPa
470
Tensile strength, MPa
605
Elongation, %
35
Elongation, %
35
Ferrite content
FN <5
Weld metal hardness, a w
approx. 190 HV
Weld metal hardness, w h
approx. 400 HV
Machinability
Fair
Charpy V
Test temps, CImpact values, J
+2085

Diameter, mm2,53,24,05,0
Length, mm 300 350 350 350
Arc voltage, V 23 24 24 25
Welding current, A 50-80 70-100 100-140 150-200
N. Kg weld metal/kg electrodes 0,58 0,60 0,60 0,60
B. No. of electrodes/kg weld metal 102 51 33 22
H. Kg weld metal/hour arc time 0,7 1,1 1,5 2,2
T. Burn-off time, secs/electrode 50 71 73 80

 

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