
Carbon steel welding electrode( E6013) is suitable to work in all positions with excellent welding technological properties, stable arc less splash, shaped good appearance, easy for removal of slag layer, easy for striking arc and restriking arc.
Used for welding common carbon steel structure, suitable for small thin plates and low class low-allow steel. Such as 09Mn2.
Advantages:
1. Stable arc, less splash
2. Shaped good appearance
3. Easy for removal of slag layer
4. Easy for striking arc and restriking arc.
5. Operable with low amperages on sheet metal
6. Slag control accommodates vertical down welding

Model | GB | AWS | Chemical Composition | Mechanical Test | |||||||
C | Mn | Si | S | P | Rm(MPa) | ReL(Mpa) | A(%) | KV2(J) | |||
SQ.J421 | E4313 | E6013 | ≤0.12 | 0.3~0.6 | ≤0.35 | ≤0.035 | ≤0.040 | ≥420 | ≥330 | ≥17 |
|
SQ.J421Fe16 | E4324 | E6024 | ≤0.12 | 0.30~0.60 | ≤0.35 | ≤0.035 | ≤0.040 | ≥420 | ≥330 | ≥17 |
|
SQ.J421Fe18 | E4324 | E6024 | ≤0.12 | 0.30~0.60 | ≤0.35 | ≤0.035 | ≤0.040 | ≥420 | ≥330 | ≥17 |
|
SQ.J422 | E4303 |
| ≤0.12 | 0.3~0.6 | ≤0.25 | ≤0.035 | ≤0.040 | ≥420 | ≥330 | ≥22 | ≥27(0℃) |
SQ.J501Fe18 | E4024 | E7024 | ≤0.12 | ≤1. 25 | ≤0.90 | ≤0.035 | ≤0.040 | ≥490 | ≥400 | ≥17 | ≥27(0℃) |
SQ.J502 | E5003 |
| ≤0.12 | ≤1.60 | ≤0.3 | ≤0.035 | ≤0.040 | ≥490 | ≥400 | ≥20 | ≥27(0℃) |
SQ.J506 | E5016 | E7016 | ≤0.12 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.040 | ≥490 | ≥400 | ≥22 | ≥47(-20℃) |
SQ.J506Fe | E5018 | E7018 | ≤0.12 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.040 | ≥490 | ≥400 | ≥22 | ≥27(-30℃) |
SQ.J506Fe-1 | E5018-1 | E7018-1 | ≤0.12 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.035 | ≥490 | ≥400 | ≥23 | ≥47(-40℃) |
SQ.J507 | E5015 | E7015 | ≤0.12 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.040 | ≥490 | ≥400 | ≥22 | ≥47(-20℃) |
SQ.J507Fe | E5018 | E7018 | ≤0.12 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.040 | ≥490 | ≥400 | ≥22 | ≥27(-30℃) |
SQ.J507Fe16 | E5028 | E7028 | ≤0.12 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.040 | ≥490 | ≥400 | ≥22 | ≥27(-20℃) |
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