Fig. 3From: Study of the sensitivity of high-strength cold-resistant shipbuilding steels to thermal cycle of arc weldingChange of hardness (a) and toughness (b) in the HAZ region versus temperature test samples of steel 10XN3MD at different cooling rates after welding before and after tempering at 600 (2) and 640 °C (3), as well as after simulation of heating (1)Back to article page