AWS E7018 Welding Electrode

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.