AWS E7018 Welding Electrode
1. Application
AWS E7018 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.Welding Marine steel (A, B, D, E, AH36, DH36, EH36) and low alloy steel components of the same grade strength, such as boilers, pressure vessels and offshore drilling platforms, etc.
2. Standard
(1) GB/T 5117 E5018
(2) AWS A5.1 E7018
3. 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
4. Mechanical Property of Deposited Metal
ReH (MPa)
Rm (MPa)
A5 (%)
KV2 (J)
norm
≥490
400
≥22
≥47/-30
e.g.
550
440
28
150
5. 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
6. Certificate: BV, CCS, ABS, DNV.GL, KR, LR, NK.
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