E7018 Marine Welding Electrode

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.