Dear Mr.Israr,
As per Nace MR0175 hardness limit for Weld is 22HRC(236BHN)MAX.For CS flanges as per ASTM A105-- 187BHN MAX,for CS fittings,ASTM A 234WPB-- 197BHN MAX.
On Sun, Nov 7, 2010 at 5:41 PM, israr <ahmedisrar.nm@gmail.com> wrote:
Dear Mr. Ahmed,
As per Nace MR0175 Hardness should not be more than 22 HRC or 187
BHN.To avoid SSC and HIC in shore service.
Regards
Israr Ahmed
Tata Projects Ltd. India
> Please visit <http://www.costain.com/> www.costain.com
ahmed wrote:
> Dear Friends,
>
>
>
> I want to know that
>
>
>
> What is max & Min value of Hardness BHN for NACE C.S. material A106
>
>
>
> Thanks to all
>
>
>
> Waiting for ur reply
>
>
>
> Best Regards,
>
> Shaikh Ahmed . k .
>
> QA/QC Engineer
>
> COSTAIN ABU DHABI COMPANY.W.L.L
>
> (A division of Costain Oil & Gas Process Limited, Manchester, UK)
> P.O. Box no: 3069
> Abu Dhabi-Das Island
> United Arab Emirates
> * Email :ahmed@costaindas.ae
>
> Mobile: +971-567090644
> * Tel: +971-2-6063850 (Ext:216)
>
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