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OK 67.15 SMAW
Type Lime-basic E310-15
Description
OK 67.15 is a stainless-steel electrode for welding
25Cr20Ni steels. It is also suitable for welding
armour steel, austenitic-manganese steel
and for joining dissimilar steels. OK 67.15 deposits
a very crack-resistant weld metal.
Welding current
DC+
12346
Classifications
EN 1600 E 25 20 B 2 2
SFA/AWS A5.4 E310-15
Werkstoff Nr. 1.4842
Typical all weld metal composition, %
C Si Mn Cr Ni Mo Cu
0.12 0.5 2.2 26.0 21.0 <0.5 <0.5
Typical mech. properties all weld metal
Yield stress, MPa 410
Tensile strength, MPa 590
Elongation A5, % 35
Charpy V
Ferrite content FN 0
Test temps, °C Impact values, J
+20 100
Approvals
DB 30.039.01
Sepros UNA 409820
SS EN 1600
UDT EN 1600
VdTüV 01025
ü 30.039
Welding parameters
Diameter,
mm
Length,
mm
Welding
current, A
Arc voltage,
V
N.
Kg weld
metal/kg
electrodes
B.
No. of electrodes/
kg
weld metal
H.
Kg weld
metal/hour
arc time
T.
Burn-off
time, s/
electrode
2.0 300 35-55 24 0.62 162 0.6 36
2.5 300 55-85 25 0.61 96 0.9 40
3.2 350 70-110 25 0.59 50 1.2 60
4.0 350 110-150 26 0.59 28 1.8 62
5.0 350 150-200 26 0.60 22 2.5 65