If DT>315 °C or PWHT is involved Inconel is preferred.
-- On Thu, Jul 22, 2010 at 5:37 PM, Kavathekar, Sachin <Sachin.Kavathekar@jacobs.com> wrote:
Clad thk is 3mm.
But why Inconel?
Regards,
Sachin A Kavathekar.
-----Original Message-----
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of B.Raghuram
Sent: Thursday, July 22, 2010 5:32 PM
To: materials-welding@googlegroups.com
Subject: RE: [MW:6076] disimilar welding
What is you clad thickness? If there no restriction from process point of
view, weld full thick by 309, or Inconel.
sent from my handheld
-----Original Message-----
From: Muhammed Ibrahim PK
Sent: 22/07/2010 4:29:14 pm
Subject: Re: [MW:6075] disimilar welding
Hi,
They have to do carbon steel buttweld first.
Then clad restoration of the joint with 309LMO Barrier layer and 316L for
subsequent layer.
Thanks & Regards
Muhammed Ibrahim PK
On 22 July 2010 13:37, Kavathekar, Sachin
<Sachin.Kavathekar@jacobs.com>wrote:
>
>
> Dear All,
>
>
>
> My site contractor to do pipe long seam welding of SA516 GR. 70 + SS316
> cladded plate material. Back chip is not accessible of this joint.
>
>
>
> They have query, if first complete SS316 welding by using 316 electrode/
> filler wire & subsequent layer will be E- 309MO & E- 7018.
>
>
>
> Is it acceptable? I think they should do welding with E- 309MO up to carbon
> steel after 316 welding.
>
>
> Please advice.
>
> Regards,
>
> Sachin A Kavathekar
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