| Carbon Equivalent Value| Material Performance| Weldability|

[@bharathraj8490]

Low ,medium high cev value which standard is saying brother.(Like we are saying cev value above 0.6 required preheat my doubt is in which standard it is mentioned)

[@tamilqualityinspection9567]

You can refer to AWS D1.1. it's given with the range and zone.

[@bharathraj8490]

@tamilqualityinspection9567 Thank you brother.