Application/properties:
Electrode for welding of boilers, pressure vessels subjected to operating temperatures up to 600°C. Typical applications are: petrochemical process plant, hydro crackers in chemical industries.
Weld metal analysis in % (typical values):
C Mn Si Cr Mo S P 0.07 0.85 0.3 9.5 1 <0.02 <0.02
Mechanical Properties of all-weld metal:
(single values are typical values)
Tensile Strength( N/mm 2 ) Yield Strength( N/mm 2 )(%) ElongationA5,(%) Impact energy (J)ISO - V Heat treatment 620 - 750 > 500 20 80 T
Welding Parameters Diameter (mm) Length (mm) Amperage (A) 2.5 250 60– 90 3.25 350 90– 130 4.0 350 140– 180 5.0 450 170– 230
Materials:
DIN Standard X12 CrMo 91, X7CrMo 91, G-X12 CrMo 10 1 Other Standard A217 Gr. C12; A 234 Gr. WP9; A335 Gr.P9
Rebaking:
required at 300°C to 350°C for 2 hours.
