Re: [MW:29916] Impact testing as per ASME B31.3

Dear sir,

Impact testing Its based on Mean design temperature cycle defined in drawing & If any project specs.

Thanks & Regards

DINESH VITTHAL SOMWANSHI

BACHELOR IN MECHANICAL ENGINEER

असो द्यावी दया तुमच्या लागतसे पाया.

*Pray for others, sometime, You might never need to pray for yourself
again.....*

‪On Fri, Aug 2, 2019 at 1:34 PM ‫حرف راز‬‎ <shoaibdanvi91@gmail.com> wrote:‬

Dear sudhakar k,

very good reference but how can you relate this to WPS 

On Thu, Aug 1, 2019 at 3:31 PM Sudhakar Kuppuswamy <mechsudhakar@gmail.com> wrote:

You may please refer to Table 323.3.1 Impact Testing Requirements for Metals of ASME B31.3, Chapter 3.

Below is the snapshot, Refer A.5 

 

Regards,

Sudhakar K

Welding Engineer

On Thu, Aug 1, 2019 at 8:19 AM pradip kumar Sil <pradipsil@gmail.com> wrote:

Can you pls give reference for qualification thickness in this case

On Wed, 31 Jul 2019, 09:25 Sudhakar Kuppuswamy, <mechsudhakar@gmail.com> wrote:

In my opinion, for the below stated conditions, as per ASME B31.3, Impact test is applicable. I.e. supplementary essential variables for ASME Section 09 becomes essential variables. 

And, the qualified WPS thickness shall be T/2 to T+6mm, i.e. 8.74 mm to 23.48 mm in your case.

Regards,

Sudhakar K

Welding Engineer 

On Wed, Jul 31, 2019 at 11:24 AM Babur Khan <mbabur.bwp@gmail.com> wrote:

Dear experts, 
Please clarify for impact test requirements of below variables.
Construction code ASME B31.3
Material A106 Gr. B
The thickness of Pipe. 17.48 mm
Temperature Limit 0^ F (-17.78^ C)
PWHT yes.
Table A-1 refers to curve B
Table 323.2.2A minimum Temperature without Impact Testing for CS showing under curve B 9^ F ( 12.8^ C).
My Question is for above case Impact testing for WPS qualification is required?  

Regards,

Muhammad Babur Khan Lashari
Sr. QA/QC Inspector (Welding)

(CSWIP 3.1 / CWI II From PWI) 

Mob: + 966 58 2774568 / 050 5193275

PAK : + 92 334 6186285 (Whatsapp)

Skype: babur.lashari

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