If you deposit a cladding of 316 or 304 on a carbon steel, you may get hot cracking due to low Ferrite number. Therefore you deposit a layer of 309 which mixed with the carbon steel does not give hot cracking
Dear All.Would you say what is the reason of this statement" When welding clad materials from both sides, the C and CMn steel shall be completely welded prior to welding the cladding. C or CMn steel or low alloyed steel weld metal shall not be deposited onto a high alloy base material or weld metal.'' ?How is it possible for cladded piping?Regards,--
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