[MW:18683] RE: 18681] Fwd: Urgent Help Required Folks........As per Norsok can we accept 5mm pore in material that are centrifugal casted ?

Prakash,

 

Details  which you've posted conforms to 2004 version of this data sheet. The 2010 version is attached take a look at the highlighted section. You need to refer to the highlighted ASME section for defect acceptance criteria.

 

Thanks

 

Pradip Goswami, P.Eng,IWE

Welding & Metallurgical Specialist

Ontario, Canada

pgoswami@quickclic.net

pgoswami@sympatico.ca

 

 

---

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Prakash
Sent: Tuesday, September 17, 2013 9:09 AM
To: materials-welding
Cc: materials-welding
Subject: [MW:18681] Fwd: Urgent Help Required Folks........As per Norsok can we accept 5mm pore in material that are centrifugal casted ?

---------- Original message ----------
From:"Prakash"< prakashnorway@in.com >
Date: 6 Sep 13 17:27:24
Subject: Urgent Help Required Folks........As per Norsok can we accept 5mm pore in material that are centrifugal casted ?
To: materials-welding@googlegroups.com

Hi Experts,

I am working on Ferritic/Austenitic Stainless Steel, Type 25Cr duplex centrifugal casted product.(For cylinder part for SUBSEA).

As per Norsok MDS D56 details are below :

PRODUCT STANDARD GRADE SUPPL. REQ.

Castings ASTM A 995 5A (UNS J93404) 6A (UNS J93380) - S5, S6, S20

NON DESTRUCTIVE

TESTING

Liquid penetrant testing: Supplementary requirement S6 shall apply to all surfaces

(including internal surfaces) of all castings. The testing shall be carried out after final

machining and pickling. The acceptance criteria shall be ASME VIII, Div. 1, Appendix 7.

Radiographic testing: Supplementary requirement S5 shall apply to:

- Critical areas as per ANSI B16.34 of the pilot cast of each pattern

- All butt weld ends of each casting

- Class 1500 psi and above; all critical areas to ANSI B16.34 of each casting.

The acceptance criteria shall be to ASME VIII, Div. 1 Appendix 7.

NDT operator qualification shall be approved by a 3rd party organization recognized by an EC member state.

Experts, If possible please respond on above query ASAP.

Regards,

Prakash

+47-91275122

Dear materials-welding! Get Yourself a cool, short @in.com Email ID now!

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