E7018 Marine Welding Electrode
1. Application
E7018 Marine Welding Electrode is an alkaline + iron powder carbon steel electrode, which is usually suitable for all position welding, ac/dc, excellent welding process, small spatter, good mechanical properties and crack resistance.
2. Deposited Metal Composition
C
Mn
Si
P
S
Ni
Cr
Mo
V
norm
≤0.15
≤1.60
≤0.75
≤0.035
≤0.035
≤0.30
≤0.20
≤0.30
≤0.08
e.g.
0.072
1.25
0.52
0.017
0.017
0.012
0.027
0.030
0.017
3. Mechanical Property of Deposited Metal
ReH (MPa)
Rm (MPa)
A5 (%)
KV2 (J)
norm
≥490
400
≥22
≥47/-30
e.g.
550
440
28
150
4. Reference Current
Diameter /mm
2.5
3.2
4.0
5.0
welding current /A
horizontal welding
70-110
100-140
140-170
190-240
overhead welding
60-70
80-110
130-150
5. Certificate: CCS, DNV.GL, KR, LR, BV, NK, ABS.
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