Description
Caractéristiques :
LKE-7018 is a low hydrogen type electrode for the welding of 490N/mm² grade high tensile steel. The welding can be done with high deposition rate, good X-ray soundness and mechanical properties.
Applications :
It is especially suitable for nuclear power stations, petroleum chemical plants, and heavy steel plates.
Notes sur l'utilisation :
1.Dry the electrodes at 300-350°C for 60 minutes and keep at 100-150°C before use.
2.Keep the arc as short as possible.
3.Take the back-step method to prevent blowholes at the arc starting.
Classification :
AWS A5.1 E7018
EN4 E 42 3 B 1 2
JIS Z3212 D5016
Position de soudage :
Composition chimique typique du métal soudé (wt%)
| C | Mn | Si | P | S |
| 0.080 | 1.30 | 0.60 | 0.012 | 0.011 |
Propriétés mécaniques typiques du métal soudé
| YP N/mm² | TS N/mm² | EL % | IV , J | |
| 515 | 585 | 29 | 0°C | -29°C |
| 221 | 172 | |||
Dimensions et plage de courant recommandée (AC ou DC+)
| Diamètre (mm) | 2.6 | 3.2 | 4.0 | 5.0 | |
| Longueur (mm) | 350 | 350 | 400 | 400 | |
| Ampères | F | 55-85 | 90-130 | 130-180 | 180-240 |
| V&OH | 50-80 | 85-120 | 110-160 | 150-200 | |
| Poids par paquet (kg) | 4/5 | 5 | 5 | 5 | |
| Poids par carton (kg) | 20 | 20 | 20 | 20 | |
