OK 61.25
SMAW
Type Basic

OK 61.25 is a coated, stainless electrode of the 308H-type, especially designed for high temperature applications.
Welding current, A
DC+


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 1600
E 19 9 H B 2 2
SFA/AWS A5.4
E308H-15
C0,07
Si0,5
Mn1,5
Cr19,0
Ni10,0
Mo<0,5
Cu<0,5
Redrying temperature, C
200
Redrying time, hours
2
Recovery
104
Yield stress, MPa
430
Tensile strength, MPa
600
Elongation, %
45
Elongation, %
45
Ferrite content
FN 2-5
Charpy V
Test temps, CImpact values, J
+2095

Diameter, mm2,53,24,0
Length, mm 300 350 350
Arc voltage, V 23 23 24
Welding current, A 55-85 75-110 100-155
N. Kg weld metal/kg electrodes 0,62 0,59 0,61
B. No. of electrodes/kg weld metal 93 49 32
H. Kg weld metal/hour arc time 0,9 1,2 1,8
T. Burn-off time, secs/electrode 47 66 68

 

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