Question

4) A steel floor girder in an existing building needs to be strengthened by welding a structural member to its bottom flangc. The steel grade is unknown, but matcrials testing has revealed the following percentages by weight of the following alloy chemical elements in the girder: C-0.16%, Cr 0.10%, Cu-0.20%, Mi-0.8%, Mo-0. I 5%, Ni-0.25%, V = 0.06%, Si = 0.20% Calculate the carbon equivalent (CE) and determine the weldability of the structural steel

Answer 1

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