OK 62.53 SMAW
Type Rutile
Description
OK 62.53 is a rutile coated, stainless electrode,
specially designed for high-temperature applications.
The weld metal has a scaling temperature
of about 1150°C. OK 62.53 is recommended for
welding steels such as Avesta 253MA, W.nr.
1.4828, W.nr. 1.4835 and UNS S30815.
Welding current
AC, DC+ OCV 65 V
12346
Classifications
No applicable classifications
Typical all weld metal composition,

C Si Mn Cr Ni Mo Cu N
0.07 1.6 0.7 23.0 10.5 <0.5 <0.2 0.18
Typical mech. properties all weld metal
Yield stress, MPa 550
Tensile strength, MPa 730
Elongation A5, 35
Charpy V
Ferrite content FN 8-12
Test temps, °C Impact values, J
+20 60
Approvals
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
2.5 300 50-90 26 0.55 104 0.8 44
3.2 350 70-110 25 0.55 54 1.0 66
4.0 350 110-150 26 0.56 35 1.3 77