Basic type electrode with 115% recovery. Suitable for highly crack-resistant and tough joints, including Thomas grade and carbon steels up to 0.4% C. Good all-positional wel¬ding characteristics; ready deslagging.
Materials of application
Non-alloyed structural steels St 33, St 34, St 37, St 42, St 46, St 52.3, St 50-2*, St 60-2*, St70-2*.
Fine grained structural steels St Ε 255 (St Ε 26), St Ε 285 (St Ε 29), St Ε 315 (St Ε 32),St E3 55 (St E 36), W St E 255 (W St 28), W St E 285 (W St En 29), W St E 315 (W St E 32), W St Ε 355 (W St Ε 36) W St E 255 (TT St Ε 29), Τ St Ε 315 (ΤΤ St Ε 32), Τ St Ε 355 (ΤΤ St Ε 36).
Boiler plates Η Ι, Η II, A St 35, A St 41, A St 45, 17Μn4,19Μn5*.
Tube Steels St 35, St 35.4, St 35.8, St 45, St 45.4, St 45.8, St 55*, St 55.4*, St 52, St52.4, St Ε 210.7 (St 34.7), St Ε 240.7 (St 38.7) St Ε 290.7 (St 43.7), St Ε 320.7 (St 47.7), St Ε 360.7 (St 53.7).
Shipbuilding steels Α, Β, D, Ε.
Cast steels GS-38, GS-45, GS-52.
* Preheat to 150-300°C depending on plate thickness.
Weld metal |
C |
Mn |
Si |
S |
P |
0.06 |
1.10 |
0.50 |
<0.02 |
<0.02 |
Mechanical properties of all-weld metal |
Tensile strength (N/mm2) |
Yield strength (N/mm2) |
Elongation (L=5d) (%) |
Impact strength Charpy – V (+ 20°C) (Joule) |
510-610 |
>380 |
>24 |
>150 |
Temperature (οC) |
+ 20 |
0 |
- 20 |
- 40 |
Charpy-V (Joule) |
>150 |
>130 |
>80 |
>60 |
Welding current (type & amperage): D.C. pole (+) |
Φ 2.0/300 |
Φ 2.5/350 |
Φ 3.25/450 |
Φ 4.0/450 |
Φ 5.0/450 |
40-60 |
60-90 |
90-140 |
140-190 |
190-250 |
Welding Positions: Horizontal, vertical-up, overhead.