February 2016  |  Craftsman’s Cribsheet #41

 

The weldability of steels is influenced primarily by the carbon content. Carbon equivalents of 0.35 or less are safe to weld without any pre-weld or postweld heat treatments required. At higher carbon levels, steels may require either pre- or post-weld heat treatment in order to prevent stress buildup and weld cracking.

 

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