Re: [MW:30543] Base Metal Hardness after PWHT

Dear,

I am not asking about raw material hardness requirement. If I weld two pieces of F22 Cl 3 material and put whole item in Furnace for PWHT then how I will achieve base metal hardness as per raw material requirements ?

On Sat, 22 Feb, 2020, 11:11 AM 'Karthik' via Materials & Welding, <materials-welding@googlegroups.com> wrote:

Hi,

Please find below the hardness limit for SA182 F11,F22. You didnt specify the Class for F11 and F22. Hardness value limits varies depend upon the class. for F22 Class 1, no minimum value but other classes in F22 and F11 have minimum and maximum values.

Thanks& Regards,

 

(Karthik)

Karthikeyan.S

M: +66-892512282

E-mail : karthik6684@yahoo.com

On Friday, February 21, 2020, 01:48:21 PM GMT+7, patelroshankk@gmail.com <patelroshankk@gmail.com> wrote:

Dear Experts,

For SA 182 F11 and SA 182 F22 materials after welding and PWHT hardness of Base Metal is reduced to 120 HB, is it acceptable or not ?

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