Hardness after PWHT

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patelr...@gmail.com

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2020年1月14日 清晨6:58:582020/1/14
收件者:Materials & Welding
Dear Experts please explain what hardness of Weld, HAZ, Parents metal is acceptable for F11 & F22 after Post weld Heat treatment.

Karthik

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2020年1月14日 清晨7:49:582020/1/14
收件者:material...@googlegroups.com
Hi, 
Please refer Section II Part -A SA 182 . It’s specified


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On Tuesday, January 14, 2020, 6:15 PM, patelr...@gmail.com wrote:

Dear Experts please explain what hardness of Weld, HAZ, Parents metal is acceptable for F11 & F22 after Post weld Heat treatment.

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Prakash Hegde

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2020年1月14日 晚上10:21:232020/1/14
收件者:material...@googlegroups.com
Hi
Generally BHN235 MAX is acceptable limit after PWHT
Regards
Hegde
On Tue, 14 Jan 2020 at 17:28, patelr...@gmail.com
Dear Experts please explain what hardness of Weld, HAZ, Parents metal is acceptable for F11 & F22 after Post weld Heat treatment.

Roshan Patel

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2020年1月14日 晚上10:21:242020/1/14
收件者:material...@googlegroups.com
After PWHT for F11 & F22 hardness reduced to 110 HB, it is acceptable ?

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Karthik

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2020年1月15日 凌晨12:00:032020/1/15
收件者:material...@googlegroups.com
Hi,
As per the Code its not acceptable. If hardness is lesser then the Tensile strength might be reduced. Please check on some other locations. small grinding on the surface before take hardness readings.

Thanks& Regards,

 

(Karthik)

Karthikeyan.S

E-mail : karthi...@yahoo.com



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José Juan Jiménez Alejandro

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2020年1月15日 晚上10:33:432020/1/15
收件者:material...@googlegroups.com
You can mention the Code and paragraph where this information is.
Please.



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Karthik

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2020年1月15日 晚上11:03:112020/1/15
收件者:material...@googlegroups.com
Hi,
Please find below the extraction from ASME Section II. your hardness value is lesser than the minimum hardness value required by the code.

Inline image


Thanks& Regards,

 

(Karthik)

Karthikeyan.S

E-mail : karthi...@yahoo.com

Dharmesh Mistry

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2020年1月16日 凌晨1:17:482020/1/16
收件者:material...@googlegroups.com
Hi,

Para 12.6 (hardness testing - weld procedure qualification and
production) of API RP 582 to be referred.

Regards,
Dharmesh

On Tue, Jan 14, 2020 at 5:28 PM <patelr...@gmail.com> wrote:
>
> Dear Experts please explain what hardness of Weld, HAZ, Parents metal is acceptable for F11 & F22 after Post weld Heat treatment.
>
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pradip kumar Sil

未讀,
2020年1月17日 上午11:25:502020/1/17
收件者:materials-welding
Designer will decide hardness value for the HAZ and WELDMENT

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