Transformation of M/A Constituents during Tempering and Its Effects on Impact Toughness of Weld Metals for X80 Hot Bends

<div>Effect of tempering on the Charpy impact energy.</div>

Advances in Materials Science and Engineering

Figure 5: Transformation of M/A Constituents during Tempering and Its Effects on Impact Toughness of Weld Metals for X80 Hot Bends 