E 7018–C3L–H4
1424n ama 1424n

Welding electrode for fine-grained structural steels

AMA 1424N

AWS/ASME SFA-5.5: E 7018–C3L–H4
DIN 8529 : E Y 4276 1 Ni B H5
EN 499 : E 46 5 1 Ni B 42 H5

Application/properties:

Low hydrogen basic electrode with crack resist and high toughness is suitable for fine grain structural steels. It has slow arc and low spatter and its slag is easy removable.

Weld metal analysis in % (typical values):

C Mn Si Ni S P
0.06 1 0.3 1 ≤0.02 ≤0.02

Mechanical Properties of all-weld metal:

(single values are typical values)

Tensile Strength
( N/mm )
Yield Strength
( N/mm )
Elongation
A4 (%)
Impact energy (J)
ISO - V
51°C-
520 460 26 60

Welding Parameters
Diameter (mm) Length (mm) Amperage (A)
2.5 350 65 – 95
3.25 450 90 – 130
4.0 450 130– 180
5.0 450 180 – 240

Materials:

DIN Standard StE 255 to StE 460; St 37-3 to St 52-3; WStE 420 to WStE 460; TStE 255 to TStE 460; StE 240.7 TM to StE 445.7 TM; StE 210.7 to StE 445.7; EStE 255 to EStE 460.
EN Standard S235J2G3 to S355J2G3; P255NH to P460NH; S255NL to S460NL; L245MB to L450MB; L210-L450NB; E295 to E335; P355 NL 1 to P460NL1; S380N to S460N; P355NH to P460NH; S380NL to 460NL; S255NL1 to S420NL1.
ASTM Standard A516 Gr.65, A572 Gr.55, 60, 65, A633 Gr. E, A612, A618 Gr. I, A537 Gr. 1-3. A678 Gr. A-D.

Rebaking:

required at 300°C to 350°C for 2 hours