Hi,
Stress Relief @ 625~640 deg cel, soaking time as per thickness,
Yes, it doesn't have P-No. (Need to check with ASME 2010 Edition)
Pls consider the history of earlier Heat treatment in as delivery of material
Regards,
K.Babu
Singapore
----- Original Message -----From: Harish KannepalliSent: Tuesday, September 21, 2010 12:09 AMSubject: [MW:7113] PWHT of 4140Dear experts,--Can you please tell me how to get the PWHT cycle for 4140? As this material does not have P No. in ASME Sec IX.
regards,Harish.
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