E7018
AWS A5.1 E7018
ISO2560-A E42 3 B 1 2
GB/T5117 E5018
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 (All Weld Metal):
|
Tensile strength(MPa): |
550 |
|
Yield strength(MPa): |
440 |
|
Elongation (%): |
28 |
|
Impact values(≥47J/-30℃): |
150 |
Typical Chemical Composition (Wt.%, All Weld Metal):
|
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.
2.Rusty, oil stains, water and other impurity on the weld parts must be cleaned before welding.
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