I need to inspect the castings of ASTM A 995 GR.4A(DSS). Now mfr. is having the approved/qualified wps for repair work. This material(castings) is having other requirements like ferrite content, pitting corrosion resistant test, sigma phase, total of intermetallic phases. The qualified wps doesn't consist these metallurgical tests, but having all mechanical and impact test. can mfr. go ahead with this wps for repair work? wps is having any relationship with these type of metallurgical tests?
With regards,
Rutvik
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