newweldeng09
Mechanical
What is the minimum number of fields to be analyzed for ferrite point count for duplex stainless steel weld metal per NACE MR0175. This specification does not indicate this in Par. A.7.3.
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Ferrite Point Count for Duplex SS Welds for WPS Qualification per NACE MR0175-2015 Ed.
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david339933
Industrial
You can also find some good general information in MR0103 App. D. This will point you to E562 as Metengr pointed out, but has some good practices for welding Duplex as well. (D6.3 - Ferrite Testing)
The last sentence of A.7.3 states: "......shall be determined in accordance with ASTM E562......"
Steve Jones
Corrosion Management Consultant
All answers are personal opinions only and are in no way connected with any employer.
Steve Jones
Corrosion Management Consultant
All answers are personal opinions only and are in no way connected with any employer.
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