| Type | Chemical Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| AWS A5.1 | AWS A5.1M | C | Mn | Si | P | S | Ni | Cr | Mo | V |
| E6011 E6013 | E4311 E4313 | ≤0.20 | ≤1.20 | ≤1.00 | … | … | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.08 |
| E7016 E7018 | E4916 E4918 | ≤0.15 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.08 |
| E7018M | E4918M | ≤0.12 | 0.40~1.60 | ≤0.80 | ≤0.030 | ≤0.020 | ≤0.25 | ≤0.15 | ≤0.35 | ≤0.05 |
| E308-16 E308L-16 | E308-17 E308L-17 | ≤0.08 ≤0.04 | 0.50~2.50 | ≤1.00 | ≤0.04 | ≤0.03 | 9.0~11.0 | 18.0~21.0 | ≤0.75 | Cu≤0.75 |
| E309-16 E309L-16 | E309-17 E316-17 | ≤0.15 ≤0.04 | 0.50~2.50 | ≤1.00 | ≤0.04 | ≤0.03 | 12.0~14.0 | 22.0~25.0 | ≤0.75 | Cu≤0.75 |
| E316-16 E316-16 | E316L-17 E309L-17 | ≤0.08 | 0.50~2.50 | ≤1.00 | ≤0.04 | ≤0.03 | 11.0~14.0 | 17.0~20.0 | 2.0~3.0 | Cu≤0.75 |
| ≤0.04 | ||||||||||
| E312-16 | E312-17 | ≤0.15 | 0.50~2.50 | ≤1.00 | ≤0.04 | ≤0.03 | 8.0~10.5 | 28.0~32.0 | ≤0.75 | Cu≤0.75 |
| Note: E7016 and E7018 components of Mn+Ni+Cr+Mo+V≤1.75; stainless steel electrode code interpretation. | ||||||||||
| Interpretation example: E308-X(X)[E308-15/E308-16/E308-17/E308-26], the prefix code is divided into -1/-2/-4, representing the welding position; the suffix code is divided into -5/-6/-7, in which 5 represents alkalinity, 6 represents rutile, and 7 represents the titanic acid type. | ||||||||||
| Type | Mechanical Properties | ||||||
|---|---|---|---|---|---|---|---|
| AWS A5.1 | AWS A5.1M | Tensile Strength Mpa | Yield Strength Mpa | Elongation A(%) | Impact Value | Radiographics | |
| KV2(J)-45℃ | KV2(J)-30℃ | ||||||
| E6011 | E4311 | ≥430 | ≥330 | ≥22 | … | ≥27 | Grade II |
| E6013 | E4313 | ≥430 | ≥330 | ≥17 | … | … | |
| E7016 | E4916 | ≥490 | ≥400 | ≥22 | ≥27 | ≥27 | Grade I |
| E7018 | E4918 | ≥490 | ≥400 | ≥22 | ≥27 | ≥27 | |
| E7018M | E4918M | Normal≥490 | 370~500 | ≥24 | … | ≥67 | |
| 2.4MM/370~530 | |||||||
| E308-XX E308L-XX | ≥550 | ≥30 | |||||
| ≥520 | |||||||
| E309-XX | ≥550 | ||||||
| E309L-XX | ≥520 | ||||||
| E316-XX | ≥520 | ||||||
| E316L-XX | ≥490 | ||||||
| E312-XX | ≥660 | ≥22 | |||||
| Note: E6011 has no special requirements for heat preservation furnace and drying. Environmental temperature: 20~40℃; The requirement of E6013 heat preservation furnace is higher than the ambient temperature [10℃~20℃]; Drying requires drying at least 1 hour at 120℃~150℃; E7016/E7018/E7018M requirements for heat preservation furnace and drying: Environmental temperature: [30℃~140℃]; Drying requires drying at least 1~2 hours at 260℃~425℃. | |||||||



