Try ASME Sec-IIA SA-530.
Thanks & Regards
J.Gerald Jayakumar
On Sunday, 27 September, 2020, 06:22:25 pm GMT+7, Sourav Bohrays <souravbohrays@gmail.com> wrote:
sa20 and sa106 are different spec diff manufacturing process how you can comply on basis of other spec this is unacceptable recertify only basis of related specification
On Sun, 27 Sep 2020, 11:52 am Sourav Bohrays, <souravbohrays@gmail.com> wrote:
for this case firstly raise NCR than go for mechanical n chemical testing than recertify to specification nd edition you required.On Sun, 27 Sep 2020, 10:50 am hardik desai, <hvdesai1284@gmail.com> wrote:Hello Sir,I have few Plates & Pipes which are in the open yard (Open to atmosphere condition) since last 10 years. Few Plates & Pipes have few remaining marking. MTCs are also not available. Shall we re-certify and use it after 10 years?Is there any Provisions for Max.validity of Material Certification by Code, If i even retrieve all MTCs somehow for the materials which are still having marking on it?Regards,Hardik Desai--On Sun, Sep 27, 2020 at 11:09 AM George Dilintas <dilintas@gmail.com> wrote:You have to explain to the inspector that the physics of the metallurgy dont make any difference between plates and pipes. This is basic metallurgyΣτις Παρ, 25 Σεπ 2020 στις 1:58 μ.μ., ο/η Rejoy Thomas <rejoythomas90@gmail.com> έγραψε:Thank you George for the precise information. However, whether the inspector accept SA-20(for plates) when we perform above mentioned activities on seamless pipes like SA-106, although the chemical elements are similar on pipes and plates.Kind Regards--On Fri, 25 Sep 2020, 3:20 pm George Dilintas, <dilintas@gmail.com> wrote:The answer is given in SA-20 - 8.3.2. If your Al content is 0,020% or higher you dont need to do any testΣτις Παρ, 25 Σεπ 2020 στις 7:13 π.μ., ο/η Rejoy Thomas <rejoythomas90@gmail.com> έγραψε:Thank you George for your valuable advice. If you see PG 10.2.2.3, it requires the documentation of killed steel. How to document whether the steel is killed or not, except mentioning the Silicon/Aluminium content. Is it possible to perform some tests?Best Regards--On Wed, 23 Sep 2020 at 17:20, George Dilintas <dilintas@gmail.com> wrote:Since the Code is Sect I + B31.1 you have to use PG-10. The approach is similar to UG-10. Since you lack full identification and If you know the spec of the materials then you implement PG-10.2 . If not then you implement PG-10.3. In both cases you have to perform chemical analysis and mechanical testsΣτις Τρί, 22 Σεπ 2020 στις 10:17 π.μ., ο/η Rejoy Thomas <rejoythomas90@gmail.com> έγραψε:--Dears,How can I recertify raw pipes, where the material certificates are missing/cannot be recovered..! The code of construction is ASME Sec I & B31.1. As per Sec viii UG-10, is it possible to recertify pipes that don't have certificates, by performing mechanical tests? Please share your knowledge with regard to this. Your reply would be highly appreciated.Best Regards
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----Dr. Georgios Dilintas,Dipl. Ing. In Aeronautic and Space EngineeringPh.D in Mechanics of Solids - Computational MechanicsA.I.S, A.N.I, IRCA Lead AuditorWelding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis
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----Dr. Georgios Dilintas,Dipl. Ing. In Aeronautic and Space EngineeringPh.D in Mechanics of Solids - Computational MechanicsA.I.S, A.N.I, IRCA Lead AuditorWelding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis
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