TMW Extra Low Temperature Low Hydrogen Iron Powder Basic Electrodes E7018-1 H4
E7018-1 H4
AWS A5.1 E7018-1
ISO2560-A E42 4 B 3 2
GB/T5117 E5018
Description:
An improved formulation of E7018, which ensures good impact value at -45℃.
Diameters:
2.5mm, 3.2mm, 4.0mm, 5.0mm.
Typical Mechanical Properties:
Tensile strength(MPa): |
572 |
Yield strength(MPa): |
480 |
Elongation (%): |
28 |
Impact values(≥47J/-45℃): |
110 |
Typical Chemical Compositon:
C |
Mn |
P |
S |
Si |
Ni |
Cr |
Mo |
V |
0.060 |
1.26 |
0.017 |
0.012 |
0.25 |
0.008 |
0.028 |
0.035 |
0.014 |
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.
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