Grade WCB is more common in petrochemical application. As far as i
can remember, most valves for steam and hydrocabon service are spec
out in grade WCB. I dont agree that WCC is far more superior than
WCB - considering cost, availability and service.
- In PipingDesign@yahoogroups.com, Hafiz A Alvi <halvi@...> wrote:
>
> i think ASTM A216 Gr WCC is superior than WCB in terms of yeild
strength,
> tensile strength etc. also composition is almost same except
Manganese
> contents.... as per standard
>
>
>
> ********************************************************
> Hafiz Ali Alvi
> E-MAIL halvi@...
> ********************************************************
> ============================================
> CONFIDENTIALITY NOTICE
> This email and any files transmitted with it are confidential and
intended
> solely for the use of the individual or entity to whom they are
addressed.
> If you have received this email in error please delete the email
and any
> attachment(s) and notify the sender. This footnote also confirms
that this
> email message has been scanned for the presence of computer
viruses.
> ============================================
>
>
>
>
> "M. Engineer" <kahabib@...>
> Sent by: PipingDesign@yahoogroups.com
> 01/27/2008 02:06 AM
> Please respond to PipingDesign
>
> To: piping design <pipingdesign@yahoogroups.com>
> cc:
> Subject: [PipingDesign] Carbon steel ASTM 216
grades WCB &
> WCC
>
>
> Dear colleagues
>
> Can someone state the difference between the grades of
> WCC & WCB of carbon steel. One valve manufacturer
> proposed to supply us with carbon steel valves ASTM
> A216 Gr. WCC instead of the original request of having
> the valves bodies made of ASTM A216 Gr. WCB. What is
> the exact difference between WCC & WCB. The valves
> shall be utilized in hydrocarbon service.
>
> Thanks
>
>
>
> [Non-text portions of this message have been removed]
>
Received on Mon Jan 28 23:22:00 2008