Details
AWS A5.1 E7018
GB/T 5117 E5018
Discription:
E7018 is alkalinity carbon steel electrode with iron powder low hydrogen potassium type coating. the deposition efficiency can be improved due to the iron power in the coating. all-positions welding.
Diameter: 2.0mm, 2.5mm, 3.2mm, 4.0mm, 5.0mm
Weight: 1kg, 5kgs, 15kgs
Chemical composition of deposited metal （%）
| Item | C | Mn | Si | P | S | Ni | Cr | Mo | V |
| Standard | ≤0.15 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.08 |
| Sample value | 0.072 | 1.25 | 0.52 | 0.017 | 0.012 | 0.008 | 0.027 | 0.030 | 0.017 |
Mechanical properties of deposited metal
| Item |
Yield Strength
ReL(MPa) |
Tensile Strength Rm(MPa) |
Elongation A(%) |
Impact Akv 30℃ |
| Standard | ≥400 | 490-660 | ≥22 | ≥47 |
| Sample value | 440 | 550 | 28 | 150 |
Welding parameter (AC, DC)
| Diameter | 2.0mm | 2.5mm | 3.2mm | 4.0mm | 5.0mm |
| Current (A) | 50-80 | 60-110 | 80-140 | 130-170 | 190-240 |
