Regarding Hardness Max & Min Value

[ahmed]

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 :ah...@costaindas.ae

Mobile:     +971-567090644
( Tel:      +971-2-6063850 (Ext:216)

Please visit www.costain.com

 

[shahulhameed80]

HI:


Hardenss for P1
Max HB:220 Max HV:250

Hardenss for Sour water and other corossion services P1 & P9
Max HB:200 Max HV:240

regards

shahul hameed

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 :ah...@costaindas.ae
>
> Mobile: +971-567090644
> * Tel: +971-2-6063850 (Ext:216)
>
> Please visit <http://www.costain.com/> www.costain.com

[shahulhameed80]

HARDNESS TESTING
VICKERS AND BRINELL HARDNESS

MATERIAL HARDNESS (HV10) MAXIMUM HARDNESS (HB)
MAXIMUM
P-1*, P-9B*
240 200
P-1, P-3, P-4, P-5 Gr 1, P-9B
250 220
P-5 Gr2, P-6
270 240
P-7*
270 240
P-10X
310 290
P-10X*
290 260
*For sour water and other stress corrosion services.
NOTE: Conversions between the two types of hardness testing methods
are not permitted.

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 :ah...@costaindas.ae
>
> Mobile: +971-567090644

> * Tel: +971-2-6063850 (Ext:216)
>
> Please visit <http://www.costain.com/> www.costain.com

[israr]

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

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 :ah...@costaindas.ae
>
> Mobile: +971-567090644

> * Tel: +971-2-6063850 (Ext:216)
>
> Please visit <http://www.costain.com/> www.costain.com

[G Padmanabhan]

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.

 

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G.Padmanabhan
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