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Salimhamdoon
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Join Date: Dec 2009
Posts: 1

PROBLEMS ASSOCIATED WITH WELDING OF DSS OVERLAY CLADDING ON CS

12/09/2009 2:40 AM

What are problems i need to avoid during manaufacturing of CS + DSS cladding?

If i have to carry out PWHT of CS will this cause effect on DSS interms of strength and corrosion resistance?
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strider6
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Join Date: May 2007
Posts: 225
Good Answers: 4
#1

Re: PROBLEMS ASSOCIATED WITH WELDING OF DSS OVERLAY CLADDING ON CS

12/09/2009 6:41 AM

the problem that you can have is a non correct balance of ferrite-austenite in the overlay, and also if you make a PWHT after welding there will be the possibility of precipitation of Intermetallic Phases that reduce the corrosion resistance of the overlay.

http://www.outokumpu.com/35058.epibrw

http://files.aws.org/wj/supplement/wj0506-91.pdf

http://www.outokumpu.com/applications/upload/pubs_5293738.pdf

http://www.corrosionist.com/Materials_Stainless_Steel_Welding.htm

S

rust prevention & control
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