... .24.05.0Length(mm)300350400400 Mechanical Properties of Welding Wiresσ bσsδ5Akv Impact (J)≥490MPa≥400MPa≥22%≥27J (-29°C) 2 ... mechanical properties, crack-resistance and low temperature impact roughness. It's widely used for welding key medium-carbon steel and low ... and moving loads), such as 16Mn, 09Mn2Si, 09Mn2V and A, B, D and E steel for ships, etc., and also used ...