[MW:24137] Re: Thickness Qualification Range of Impact tested WPS for Piping

Dear Biplab,

As QW403.6 & ASME  B 31.3, thickness qualification range will be as mentioned below

Minimum Thickness qualification :(1) If t is more than 6 mm then  min thickness qualifies will be  t or 16 mm whichever is less (2)If t is less than 6 mm then min thickness qualifies will be 1/2 t

 
Max Thickness Qualification: t + 6 mm

Regards,

Afroz Shaikh
IOTIES
On Tuesday, January 12, 2016 at 2:10:35 PM UTC+5:30, Biplab Pal wrote:

Dear Experts,

If impact test is required for any WPS the base metal thickness limit is an supplemental material and qualification of minimum thickness limit shall follow QW-403.6.

Now our Consulting Service Department is telling us the qualification thickness limit shall be t/2 to t+6mm. as per ASME B 31.3 table 323.3.1 for piping.

Guys, did you faced this kind of problem? I am experiencing this problem 1st time.

Please let me know your understanding and experience.

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Thanks & Regards
Biplab Pal
Welding Inspector

E-mail:   bipla...@gmail.com
 
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