Basic electrode with low carbon weld metal , suitable for creep resistant and hydrogen resistant steels (boiler, vessels and pipes) up to working temperature of 600°C. Its weld metal is tough and resistant to work embitterment.
Weld metal analysis in % (typical values):
C
Mn
Si
P
S
Cr
Mo
<0.05
0.7
0.3
<0.02
<0.02
2.3
1
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
>550
> 460
> 17
120
T
T: Tempered 1 hour at 790°C, furnace cooling to 300°C
Welding Parameters
Diameter (mm)
Length (mm)
Amperage (A)
2.5
350
60 – 90
3.25
450
100 – 140
4.0
450
140 – 180
5.0
450
190– 230
Materials:
DIN Standard
10CrMo9 10; 10CrSiMoV7; G17CrMo9; GS-12CrMo 9 10
ASTM Standard
A181 Gr. F22; A217 Gr.WC9; A335 Gr.P22; A336 Gr.F22.
