Hello Experts
-- We are going to welding 4340 to 1020 with FCAW . I know 4340 has potential for Cracking after welding ,so i`m looking for advise on welding and PWHT and backing during and after finished job
4340 in our part is with Normalized and tempered . and no quench on it based on customer spec to catching specific hardness.
please share your experience with me.
Thanks all
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