Suitable for vertical down welding and backing welding for root passes, hot passes, filler and cover passes as well as for capping of high-press pipelines and similar structures.
Chemical Composition | C | Mn | Si | S | P | Cr | Ni | Mo | V | Cu |
Specification | ≤0.20 | ≤1.20 | ≤0.60 | ≤0.03 | ≤0.03 | ≤0.03 | ≤1.00 | ≤0.50 | ≤0.10 | - |
Actual result | 0.11 | 0.57 | 0.31 | 0.009 | 0.013 | 0.017 | 0.10 | 0.432 | 0.10 |
Test Item | Postweld Condition | Yield Point ReL (MPa) | Tensile Strength Rm(MPa) | Elongation A4(%) | Akv Value (J) |
Specification | AW | ≥415 | ≥490 | ≥22 | -30℃ ≥27 |
Actual Result | 470 | 540 | 22 | 50 |
Dia. (mm) | 2.5 | 3.2 | 4.0 | 5.0 | |
Length(mm) | 300 | 350 | 350 | 350 | |
Current(A) | F, H | 60-90 | 70-110 | 110-150 | 150-200 |
V, OH | 50-80 | 60-100 | 100-140 | 140-180 |