E7018
AWS A5.1 E7018
ISO2560-A E42 3 B 1 2
GB/T5117 E5018
Approved by:
ABS CCS LR GL DNV BV CE
Description：
An iron powder , low hydrogen basic carbon steel electrode designed for all positional welding. Excellent mechanical performance , impact value can be as high as 150J @ -30 ℃. AC & DC.
Used to weld the Marine steels (A、B、D、E、AH36、DH36、EH36）and the same grade strength low carbon steel structures, like Boilers、Pressure Vessels and Offshore drilling platforms etc.
Diameters:
1.6mm, 2.0mm, 2.5mm, 3.2mm, 4.0mm, 5.0mm.
Typical Mechanical Properties:
Tensile strength(MPa): | 550 |
Yield stress(MPa): | 440 |
Elongation (%): | 28 |
Impact values(≥47J/-30℃): | 150 |
Typical Chemical Properties:
C | Mn | P | S | Si | Ni | Cr | Mo | V |
0.072 | 1.26 | 0.017 | 0.012 | 0.52 | 0.008 | 0.027 | 0.030 | 0.017 |
Welding Current:(AC/DC+)
Diameter(mm) | 2.5 | 3.2 | 4.0 | 5.0 | |
Current/A | F/H | 70-110 | 100-140 | 140-170 | 190-240 |
Current/A | V/OH | 60-70 | 80-110 | 130-150 | -- |
Note:
1.The electrodes must be baked 1-2 hours in 350℃-450℃ before using.
Rusty, oil stains, water and other impurity on the weld parts must be cleaned before welding.
