OK 68.25
SMAW


Welding current, A
DC+


ClassificationsApprovalsTypical all weld metal compositionTypical properties all weld metal
EN 1600
E 13 4 B 4 2
SFA/AWS A5.4
E410NiMo-15
Werkstoff Nr.
1.4351
SeprosUNA 409820
C<0,04
Si0,5
Mn0,8
Cr12,0
Ni4,5
Mo0,6
Redrying temperature, C
350
Redrying time, hours
2
Recovery
113-121
Yield stress, MPa
680 (PWHT 600C/8h)
Tensile strength, MPa
880
Elongation, %
17
Elongation, %
17
Tempering resistance
As welded-39HRC 600C/8h-28HRC
Charpy V
Test temps, CImpact values, J
+2060
056
-2053

Diameter, mm3,24,05,0
Length, mm 450 450 450
Arc voltage, V 28 28 27
Welding current, A 90-150 110-190 140-250
N. Kg weld metal/kg electrodes 0,64 0,66 0,67
B. No. of electrodes/kg weld metal 34,5 21,6 13,7
H. Kg weld metal/hour arc time 1,6 2,2 3,1
T. Burn-off time, secs/electrode 63 73 86

 

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