If you're following API RP-751, then yes. Look at clause 3.3 of this RP, for guidance on PWHT for HF service. What's the precise service , HF Alkylation?? Ask your client to clarify.
Appreciate your response.
Thanks.
P.Goswami.P.Eng, IWE.
Welding & Metallurgical Specialist
Linkedin: https://www.linkedin.com/in/pradip-goswami-2999855/
Email:pgoswami@quickclic.net,pradip.goswami@gmail.com
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Hrushikesh Sangamnerkar
Sent: August 1, 2018 1:48 AM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:28154] PWHT required for HF service
Dear expert,
Query:
Service: HF
MoC: SA 516 Gr 70
P No. - 1
Thickness - 40mm
Is PWHT specifically required for HF service?
Client has not mentioned anything about Lethal or Sour service.
Pl suggest.
Regards,
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