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The Effect of Welding Conditions on Mechanical Properties of Superduplex Stainless Steel Welded Joints

Świerczyńska A., Łabanowski J., Fydrych D.

Advances in Materials Science

2014

Vol. 14, nr 1(39)

14--23

The tests results of superduplex stainless steel welded joints made with a different heat input, using automatic submerged arc welding (SAW) and semi-automatic flux-cored arc welding (FCAW) have been presented. Metallographic examinations, the measurements of the ferrite content, the width of the heat affected zone (HAZ) and the hardness of the welds in characteristic areas have been performed. Significant differences in the amount of ferrite in the weld metal and in the heat affected zone microstructure of joints were found.