Acceptance criteria for PMI of dissimilar metal weld

[anhtrangnghieng]

Dear Experts, 

We have a welded joint: stainless steel type 6Mo UNS S31254 using filler metal ERNiCrMo-3. What would be the chemical requirements criteria ( Cr, Ni, Mo)  be for PMI on this joint? Any standard/ code for reference? 

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[Perumal Govindan]

While welding dissimilar materials, usually lower grade properties shall be acceptable and its a normal industrial practice.

For more information, pease refer your welding specifications of.your project.

Regards 

P Govindan 

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[anhtrangnghieng]

Dear Mr. Govindan, 

Do you mean in this case, acceptance criteria shall be in red color as below ? 

	6Mo weld to 6Mo
	Cr	Ni	Mo
A312 S31254 (6Mo)	19.5-20.5	17.5-18.5	6-6.5
A312 S31254 (6Mo)	19.5-20.5	17.5-18.5	6-6.5
ERNiCrMo-3	20-23	58 min	8-10
Weld metal required	19.5	17.5	6

Vào Th 5, 9 thg 12, 2021 vào lúc 13:25 Perumal Govindan <perumal...@gmail.com> đã viết:

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