Re: [MW:9866] Groove design and bevel

Dear Husain,

I guess your design code is ASME B31.3, ASME Sec ix do not go into process details (bevel preparation etc.)

With reference to the butt end preperation shown in Fig 328.4.2 , Manufacturer has provided pipes with compound bevel as required by code, now you need to confirm whether bevel preperation done at site is in accordance with Fig 328.4.2.

Regards
Manpreet Singh



On Sun, 13 Feb 2011 21:42:00 , Ahmed Husain <ahmraha@yahoo.com> wrote

 Dear All,

 

I have a query, kindly share your valuable knowledge on this subject.

 

1-As per ASME IX,  Table QW-253 and QW-256, groove design is non-essential variable for SMAW and GTAW welding.

2-As per ASME B31.3, Fig 328.4.2 and ASME B16.25 Fig 3 and 5 (also Para 3.1C), components having thickness above 22 mm shall have compound bevel.

 

I would like to know that if the requirements of ASME B31.3 and 16.25 as stated above are mandatory? Because as per SEC IX, it is non-essential variable.

What I have observed at site, all pipes and fitting above 22 mm thickness have compound bevel from manufacturer, but all bevel prepared at side are single bevel. Is this acceptable?

 

 

Ahmed Husain
Mob-0547170325

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