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Re: [MW:35169] RT selection Criteria for API 650 tank

By Materials & Welding
Dear expert 

please guide , what it means to  25 % of which shall be at intersections.

Best Regards,
Abd Ur Rehman
QA/QC Engineer
On Friday, November 8, 2013 at 4:19:23 PM UTC+5 Devang Majithia wrote:

 

Extract taken from API 650. Refer Figure 8.1

 

Regards

Devang Majithia

 

From: material...@googlegroups.com [mailto:material...@googlegroups.com] On Behalf Of Perumal Govindan
Sent: Thursday, November 07, 2013 11:28 PM
To: material...@googlegroups.com
Subject: Re: [MW:19199] RT selection Criteria for API 650 tank

 

Mr. Sam,

Review the MTC of plate material and tolerance of specific heat / lot number and then identify the thickness of the lowest shell course thickness.

 

For lowest shell course, one spot radiography on every vertical joint.

 

Hope this will clarifies your doubt.

 

P Govindan   

On Thu, Nov 7, 2013 at 4:52 AM, Mervin <mervi...@yahoo.com> wrote:

Dear mr sam

 

You can refer the api-650 clause 8.1.2.2 a&b and 8.1.2.3 as mention on this paragraph only spot RT for vertical & horizontal in the 1st 3mter and we use the standard in aramco for intersection joints on top angle to shell.

 

Vin

 



Sent from my iPhone


On Nov 6, 2013, at 9:54 AM, Sam <onlypri...@gmail.com> wrote:

Dear experts,

 

please guide me exactly how many percentage and which area i should select for RT for API 650 tank for below joints.

 

1) shell verticle

2) shell horizontal

3) shell intersections (verticle to horizontal)

4) nozzles

 

i checked API 650 but not getting clear picture hence request to provide standard practice in this regard.

 

regards,

sam.

 

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