Wednesday, September 22, 2010

Re: [MW:7145] RE: 7127] Material for Sea water piping for Offshore enveronment.

Dear,
Plz go for GRP(Glass reinforced plastic) material.

Fibre Glass Reinforced Plastic Pipe is a matrix or composite of glass
fibre, polyeser resin and fillers. These pipes possess better strength
durability high tensile strength low density and are virtually
inert.Fibre Glass pressure pipes are intended to be manufactured in
diameters upto 2400mm and length upto 18m. These pipes are now being
taken up for manufacture in India. Standard specifications have been
farmed by the BIS and for further details of G.R.P. Pipes please refer
to IS 12709 :1989

Yours truely,

Vineet


On 9/22/10, Kristian Lund Jepsen (KUJ) <KUJ@ramboll.com> wrote:
>
>
> Cu-Ni is for sure the cheapest solution.
> Galvanised carbon steel is not suitable for offshore application in seawater service, austenitic stainless steel are also not suitable.
>
> Other suitable metallic materials - but more expensive are: Titanium and under certain conditions also super duplex stainless steel (25% Cr).
>
> regards
> Kristian
>
> ________________________________
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of prakash
kamathuru
> Sent: 21. september 2010 11:57
> To: materials-welding@googlegroups.com
> Subject: [MW:7127] Material for Sea water piping for Offshore enveronment.
>
>
>
>
>
> Hi All,
>
> Can any one tell me which is the best suitable material for Sea water application in offshore environment.Client specification shows Cu-Ni material,we are facing problem with procurement(Long lead time).So i am planning to replace it by Galvanized Carbon steel,Is it computable for Long term use.If any one have experience please share me.
>
> I know we can use some FRP material,but still i want to go for metallic material.Please share me some of your experiences.....
>
> Regards,
> Prakash
>
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