Re: [MW:7116] PWHT of 4140

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 Kannepalli

To: materials-welding@googlegroups.com

Sent: Tuesday, September 21, 2010 12:09 AM

Subject: [MW:7113] PWHT of 4140

Dear 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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