En
FaE 8018–C3–H4
1422n ama 1422n
Welding electrode for fine-grained structural steels
AMA 1422N
| AWS/ASME SFA-5.5: | E 8018–C3–H4 |
| DIN 8529 : | E SY 4676 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 and high strength 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 |
|---|---|---|---|---|---|
| 0.09 | 1.2 | 0.4 | 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 ) |
Elongation A5 (%) |
Impact energy (J) ISO - V 20°C -40°C+ |
|---|---|---|---|
| 550 - 700 | >470 | 22 | > 140 70 |
| Welding Parameters | ||
|---|---|---|
| Diameter (mm) | Length (mm) | Amperage (A) |
| 2.5 | 350 | 65 – 95 |
| 3.25 | 350 - 450 | 90 – 130 |
| 4.0 | 350 - 450 | 140 – 180 |
| 5.0 | 450 | 180 – 240 |
Materials:
| DIN Standard | StE 420 to StE 500; St 37-3 to St 52-3; WStE 420 to WStE 500; TStE 255 to TStE 500; StE 240.7 TM to StE 445.7 TM; StE 210.7 to StE 445.7; EStE 255 to EStE 460. |
| EN Standard | S255N to S355N;S235J2G3 to S355J2G3; P255NH to P500NH; S255NL to S500NL; L245MB to L450MB; L210-L450NB; E295 to E335; P355 NL 1 to P460NL1; S380N to S460N; P355NH to P460NH; S380NL to S460NL; 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
Approval:
LRS, GL
