E7018-H4R
AWS A5.1 E7018-H4R
ISO2560-A E42 4 B 3 2
GB/T5117 E5018 H4
Description：
An improved formulation of E7018, which ensures good anti-moisture performance as well as H4 level low hydrogen content
Diameters:
2.5mm, 3.2mm, 4.0mm, 5.0mm.
Typical Mechanical Properties:
Tensile strength(MPa): | 572 |
Yield stress(MPa): | 480 |
Elongation (%): | 28 |
Impact values(≥47J/-45℃): | 110 |
Typical Chemical Properties:
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.
