Re: [MW:12487] Re: WELD DEFECT:-BURN THROUGH IN SAW WELDING IS ACCEPTABLE FOR PSL2 PIPES

Dear Mohit,

Please forget about acceptance criteria and becarefull about the following hints:

1- If the weld relevant to a sever condition prosess, it should be repair and there is no way solution for that.

2- If you want to now, why you had this defect ? This is relevant to high heat input during the welding.It could be relevant to A: low travel speed B:high welding amper C:  too much angle of bevels D: Using of the big electrod or wire ( I don't no what was your welding prosess) E:Untoward ARC welding and ...

warm regards

M.Masoumi

On Tue, Sep 20, 2011 at 10:55 AM, Mohit Aggarwal <aggarwalmohit05@gmail.com> wrote:

As I think there can be root can also be welded from SAW with backing
on the other side...That may be ceramic backing...

On Sep 19, 11:33 am, "muthu barathi" <muthu_bara...@rediffmail.com>
wrote:
> Hi Mr Mohammad,
>
> Normally SAW, no BT Burn through will not come as the root and hot pass will be
> already welded. This will act as back up and while welding there will be fill
> up passes and capping only required. No chances of BT in SAW so it is not
> mentioned in API 5 L . Even though due to any untoward circumstances any BT
> created then the same shall be repaired.
>
> On Sun, 18 Sep 2011 19:23:44 +0530  wrote>DEAR ALL
>
>  NOTHING IS MENTIONED ABOUT WELD DEFECTS BURN THROUGH IN API 5L 44TH ADDITION
> FOR PSL2 PIPES.
>
> I WANT TO NO IF BURN THROUGH DEFECTS COME BY SAW WELDING IT IS ACCEPTABLE OR
> REJECTABLE FOR PSL2 PIPES.
>
> REGARDS
> MOHAMMAD SAJID ALAM
> INSPECTION ENGINEER
> AICO-DAMMAM
> MOBILE:-0534077860
>
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> Dear Sir,
>
> Thanking You,
>
> Honesty is the best Policy
>
> With Warm Regards,
>
> Muthu Barathi P
> Mobile No:00962788269821 (Jordan)
>           00962775401951

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