Dear Friend,
Is it possible to avoid the martensite structure on HAZ area of base metal during hardafcing? if yes you can eliminate PWHT. During hard facing on 40.0mm thick base metal, more chance are there, martensite will be formed on HAZ area, so PWHT is essential one.
Regards,
Sankaran.SP
Welding & Metallurgy expert
On Friday, 3 August, 2018, 10:26:10 PM IST, Hrushikesh Sangamnerkar <hrushi612@gmail.com> wrote:
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,
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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