Electrode for welding of boilers, pressure vessels subjected to operating temperature up to 600°C. Weld metal matches the composition of steel grade 12CrMo195 featuring equal resistance to high-pressure hydrogen attack; creep resistance and creep rupture strength. Typical applications are petrochemical process plants, Hydro crackers in chemical industries.
Weld metal analysis in % (typical values):
C
Mn
Si
Cr
Mo
0.06
0.9
0.30
5
0.50
Mechanical Properties of all-weld metal:
(single values are typical values)
Tensile Strength ( N/mm 2 )
Yield Strength ( N/mm 2 )(%)
Elongation A5,(%)
Impact energy (J) ISO - V 20°C+
Heat treatment
600 - 700
> 500
18
100
T
650 - 750
> 580
17
120
N+T
T: Tempered 1 hour at 760°C, air cooling N+: Normalized + tempered 0.5 h at 960°C, air cooling +2 hours at 710°C
