OK 61.80 SMAW
Type Acid-rutile E347-17
Description
OK 61.80 is a niobium-stabilised, stainless-steel,
LMA electrode with low carbon content for welding
stainless types 321 and 347. It is resistant to
intergranular corrosion up to 400°C.
Welding current
DC+, AC OCV 50 V
12346
Classifications
EN 1600 E 19 9 Nb R 1 2
SFA/AWS A5.4 E347-17
Werkstoff Nr. 1.4551
Typical all weld metal composition, %
C Si Mn Cr Ni Mo Nb Cu
<0.03 0.7 0.9 20.0 10.0 <0.3 <0.6 <0.3
Typical mech. properties all weld metal
Yield stress, MPa 480
Tensile strength, MPa 620
Elongation A5, % 40
Charpy V
Ferrite content FN 6-12
Test temps, °C Impact values, J
+20 60
-80 40
Approvals
GL 4550
UDT EN 1600
VdTüV 00638
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 45-65 24 0.56 150 0.7 35
2.5 300 60-90 26 0.56 97 1.0 38
3.2 350 80-120 28 0.56 50 1.4 53
4.0 350 120-170 30 0.56 33 2.0 55
5.0 350 150-240 31 0.56 21 2.9 60