Re: Re: [MW:28567] SA335 Gr.P91(P-15E)

SA-335/SA-335M

para

9.3 Pipe of Grades P91, P92, P911, P122, and P36 shall
have a hardness not exceeding 250 HB/265 HV [25 HRC].
Hardness of P23 shall not exceed 220 HB (RB 97).

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From: 'Sangram' via Materials & Welding

Date: 2018-11-01 13:23

To: materials-welding

Subject: Re: [MW:28547] SA335 Gr.P91(P-15E)

Dear muneeb sir, 

Where you get max hardness value 250 hen please say paragraph details .

Need for reference 

Regards 

Sangram 

Sent from my iPhone

On 01-Nov-2018, at 3:26 AM, "muneebslsa@gmail.com" <muneebslsa@gmail.com> wrote:

check 331.1.4 of ASME B31.3

The Maximum allowable hardness is VHN 250HV

Regards,

M.Muneeb

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From: 'Sangram' via Materials & Welding

Date: 2018-10-30 15:44

To: materials-welding

Subject: [MW:28529] SA335 Gr.P91(P-15E)

Dear experts ,

If some one have working experience with p91 material; please help regarding heating & cooling rate. Max hardness allows .

My construction code is Asme B31.3

Please specify the code details.

 

Sent from my iPhone

 

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