Table 4.
Designation of the Welded Joint | Tensile Strength | Bending, Bending Angle, ° |
Impact Strength KCV, J/cm2 (Test Temperature −30 °C) |
|||||||
---|---|---|---|---|---|---|---|---|---|---|
Rm, MPa |
Place Breaking | Place of Rupture | Face of Weld | Weld | FL | HAZ | ||||
KCV, J/cm2 | Fracture | KCV, J/cm2 | Fracture | KCV, J/cm2 | Fracture | |||||
Joint 1 | 785 | FL | 180 | 180 | 20 | fragile | 23 | fragile | 41 | mixed |
Joint 2 | 790 | Weld | 180 | 180 | 25 | fragile | 22 | fragile | 38 | mixed |
Joint 3 | 792 | Weld | 180 | 180 | 22 | fragile | 27 | fragile | 39 | mixed |
Joint 4 * | 810 | BM | 180 | 180 | 94 | mixed | 82 | mixed | 86 | mixed |
* MAG welded joint [38].