Saturday, June 10, 2023

Re: [MW:34285] Impact test requirement for Unlisted material (ASTM A707 L5 CL3)

Impact toughness test does not only depend on service temperature only, It also depends on working fluid, for example if your pipeline is sour service then impact toughness test should be conducted fot PQR qualification.



On Sat, Jun 10, 2023 at 4:07 PM aravind roche <aravindroche@gmail.com> wrote:
Experts,

please advise below,  I believe because of our service temperature the impact test is not required, please guide me. 

PQR material - A707 L5 CL3 to API 5L Gr X65
Thickness coupon: 25.4 mm
WPS qualified range is : 5 to 50.8 mm
Design code : B31.3
Qualification Standard : ASME Sec IX
Our Project MDT : 0° to 90°C
Service : Water
PWHT : Yes
Pre heat : Yes

Aravind.A

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[MW:35346] Cast-iron welding

Any advice for cast iron welding Sent from Yahoo Mail for iPhone