Specification / Clas.Code of 7018 welding rod
| AWS A5.1 | EN ISO 2560-B | GB/T 5117 |
| E7018-1H4R | E4918-1A | E5018-1 |
Properties&Application
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Basic covered electrode with very good welding characteristics including out of position work;
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Weld metal recovery about 120%
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Crack-free weld metal when welding high-carbon steels
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Suitable for use in tank construction, boiler making, apparatus engineering, vehicle manufacture and ship building
Base Metal
S235JRG2 - S355J2, E295, E335, C35; Boiler steels P235GH, P265GH,P295GH, P355GH; Fine grained structural steels up to S420N; shipbuilding steels A, B, D, E; Offshore steels; Pipe steels P265, P295, L290NB-L415NB, L290MB-L415MB; X 42- X 60; cast steel GS- 38, GS-45, GS-52; ageing resistant steels ASt 52; ageing resistant steels ASt 35- ASt 52
Chemical Composition of Undiluted Weld Metal Typical(Wt.%)
| C | Si | Mn | P | S |
| 0.08 | 0.55 | 1.4 | 0.015 | 0.010 |
Mechanical Properties of All Weld Metal (According to AWS B4.0M)(Wt.%)
| PWHT | Rp0.2 | Rm | A4 | Kv(J) | ||
| (℃/h) | (MPa) | (MPa) | (%) | RT | -45 | |
| Typical | AW | 480 | 590 | 30 | 190 | 110 |
| Guarantee | AW | ≥420 | 500-640 | ≥22 | ≥47 | ≥45 |
Operating Date
| Welding position | Polarity: | Instructionn for Redrying: | Dimentions(mm) |
|
↑一→→ ┃一一→ ┃↙ ┖一一→ |
DC+ AC~ | Redry for 2 h at 250-350% before using |
2.5*300 3.2*350 4.0*350 5.0*450 |
