Mechanical and Metallurgical Characterization of HSLA X70 Welded Pipeline Steel Subjected to Successive Repairs

Bouzid Maamache, Mabrouk Bouabdallah, Abdelhalim Brahimi, Youcef Yahmi, Billel Cheniti, Brahim Mehdi

Fig. 5 Typical weld joint microstructures: a base metal, b top HAZ, c middle HAZ, d bottom HAZ, e base metal