Re: [MW:31518] ASME Material Re-certification

Dear Mr Kannayeram,

                                     Yeah, we could say whether the steel is killed based on the Silicon / Aluminium percentage. The question is about code clause, so that the inspector would be convinced.

Best Regards 

On Sat, 26 Sep 2020, 11:30 am Kannayeram Gnanapandithan, <kgpandithan@gmail.com> wrote:

Based on chemistry of silicon in the material, u can specify killed or not

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Fri, Sep 25, 2020 at 9:43 AM Rejoy Thomas <rejoythomas90@gmail.com> wrote:

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 tests

Στις 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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Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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