Acceptance criteria for PMI of dissimilar metal weld

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anhtrangnghieng

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9 dic 2021, 1:09:279/12/21
a material...@googlegroups.com,Pham Thuc
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

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9 dic 2021, 1:25:499/12/21
a material...@googlegroups.com,Pham Thuc
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

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9 dic 2021, 3:52:169/12/21
a material...@googlegroups.com,Pham Thuc
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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