Welding Dissimilar..
Welding Dissimilar..
(OP)
Dear all,
Please give me a suggestion for welding of dissimilar materials Sa 335 Gr P 91( P-No 15 E Group 1) and A 106 Gr B (P-No 1).
What is the correct material to perform welding joint about GTAW (ER) / SMAW (E)?
Thank you very you much in advance.
Best regards.
JM@
Please give me a suggestion for welding of dissimilar materials Sa 335 Gr P 91( P-No 15 E Group 1) and A 106 Gr B (P-No 1).
What is the correct material to perform welding joint about GTAW (ER) / SMAW (E)?
Thank you very you much in advance.
Best regards.
JM@





RE: Welding Dissimilar..
see the little boxes with numbers....pick page 2
here is his answer
""This combination of dissimilar material needs a transition piece of P22 in between the carbon steel (P-No 1) and Grade 91 (P-No 15 E Group 1). I am assuming the maximum service temperature will be governed by the carbon steel pipe material.
I would recommend welding the A 106 to A 335 Grade P22 transition piece and weld using the GTAW root with SMAW fill ER80S B2/E8018 B2. Once this is completed and PWHT, if required, I would weld the SA 335 Grade P22 piece with a 5% Cr filler metal to the Grade 91 pipe material.""
RE: Welding Dissimilar..
excuse me I be persistent, and it is a very complicated matter, when we are speaking of dissimilar materials. Please I would like to receive more technical answers about dissimilar materials.
because I'm working 35 years about welding, but sometimes I like to use the forums to know your opinion at a global level.
I hope that you understand the my persistence..
Thanking very you much in advance.
Kindest regards.
Julio Magalhães
RE: Welding Dissimilar..
RE: Welding Dissimilar..
Julio, if you make a google search you surely can find hundred if no thousands of articles regarding with your inquiry.
As an example read these: http://redalyc.uaemex.mx/pdf/849/84934046.pdf,
http:/
http://w
El que no puede andar, se sienta.
RE: Welding Dissimilar..
However, metengr gave some good advise.
Patricia Lougheed
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RE: Welding Dissimilar..
RE: Welding Dissimilar..
ATTACH IS ASME DECEMBER 8, 2011 BY WILLIAM F. NEWELL, JR EUROWELD
DISSIMILAR WELD DECISION MATRIX
HOPE THIS HELP