TEST COUPON ASME SEC IX

[Elavarasan Mech]

Please clarify below 

As per ASME SEC IX can we use 14mm plate machined to 8 mm plate for WPS & WQT qualification.please guide me 

 

Regards 

ELAVARASAN 

[Venkatesh Mech]

Hi elavarasan,

Can you elaborate whether you have to machine 14mm plate to 8 mm for welding, or you have to make 8mm plate instead of 14mm. 

Select the weld plate thickness based on your casting weld depth .

Incase your casting weld depth requirement is more than 2 inch better you can for 40mm plate so that you can weld as much as the depth as standard requirement, make sure you have to get approval incase you are doing major weld on the part based on customer requirement.

Regards,

Venkateshwaran 

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[venkateswara reddy Desireddy]

Yes we can use. Write in as Run sheet 16mm plate machined to 8 mm.

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[raj kumar]

Wps 

As per my opinion, If qualified 8mm plate min 5mm and Max 2T, weld metal -2t.

On Sat, 29 Mar, 2025, 08:30 Elavarasan Mech, <elavaras...@gmail.com> wrote:

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[Elavarasan Mech]

dear sir 

 Actual project thickness :9mm ( impact required)PED

we have 14 mm thick plate SA516 G70 .if considered impact requirement as per ASME SEC IX ( WPS QUALIFICATION )we need minimum base mental thickness  9mm .we plan to weld 14mm plate decrease the thickness to 8mm .still my WPS qualified with impact 8mm To 16 mm.

My consideration is machined plate acceptable or not  which standard I need to refer 

ELAVARASAN

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[Parminder Singh]

Yes, You can machine the Plate. 

Prepare the Welding Running Sheet and mention 14 mm Plate machined to 8 mm Plate. 

then the groove weld qualification will be 8-16 mm for impact test and 1.5 - 16 mm without impact test

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[Mohd Siraj]

yes, joint design shall mentioned on PQR.accodingly WPS shall be prepared and records.