Re: [MW:33054] P11 material hardness value

Please give some details regarding below, as anyone in the Group may provide solution to you.

1. Hardness Location (Weld & HAZ)

2. Type of Hardness Test, Vicker's, Brinell or Rebound Hardness Tester.

3. PWHT cycle, soaking temperature, Time, Heating Rate & Cooling Rate.

4. Welding Heat Input

5. Maximum temperature in The Tubes(steam)

6. Any additional details which you may feel may be useful.

380HB is way out of Rectification and let's seek experts advise.

Thanks & Regards

J.Gerald Jayakumar

On Monday, 25 April, 2022, 11:49:16 am GMT+4, Chiranjeevi A <chiranjeevipuvvula@gmail.com> wrote:

Dear james,

Good morning, 

Please find the below details, the following issue is related to the boiler steam drum tubes

  Base Tube material: A213 T11

  Obtained hardness value after PWHT : 380HB

  WPS value: 238HB

  

Thanks & regards

Chiranjeevi Anil

On Mon, 25 Apr 2022, 05:47 'james gerald' via Materials & Welding, <materials-welding@googlegroups.com> wrote:

Pls provide some additional details.

Hardness values obtained.

Base Pipe/ PQR / Production Hardness

Thanks & Regards

J.Gerald Jayakumar

On Monday, 25 April, 2022, 07:13:14 am GMT+4, Chiranjeevi A <chiranjeevipuvvula@gmail.com> wrote:

Dear experts,

We have an issue in the hardness value for P11 material of pipe.

If the value exceeds what are the matigations required.

Kindly advice

Thanks and Regards

chiranjeevi

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