andyenergy
Materials
I've looked and looked but am struggling to find any recommendations for the tempering of a 420 weld metal deposited using a MIG/MAG process. Can anyone help?
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ER 420 tempering / stress relief temperature 1
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They have a technical sheet on 420 stainless steel, including welding. The ER420 stainless steel should be post weld heat treated between 1350 to 1400 deg F for 6 to 8 hours.
They have a technical sheet on 420 stainless steel, including welding. The ER420 stainless steel should be post weld heat treated between 1350 to 1400 deg F for 6 to 8 hours.
Just as a follow-up, I checked ASM Handbook, Volume 6, and for 420 stainless filler metal w/ER420 stainless filler metal, the recommended PWHT temperature range is 1250 deg F to 1400 deg F, which confirms the information in the CarTec literature. The recommended minimum preheat is 400 deg F.
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andyenergy
Materials
Wow! Thanks metengr. Are you tied into your chair? I guessed you might be the one that replied, but not so quickly. And twice! Thanks again!!
Andy
Andy
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