I know that Bend test is the substitution of RT, If welder fail in RT
why substitution is required, As per my opinion bend test is to check
weld metal properties, Fusion of weld metal to parent metal.
On Dec 31 2009, 10:30 am, "Chandra, Vasanthan (Lagos)"
<Vasanthan.Chan...@DeltaAfrik.com> wrote:
> Yes, you can send for RT and Bend test. We have done so many welders
> qualification under this specification and faced few problems like
> below.
>
> Note: This situation is bit different from ASME Sec IX QW 306 in which
> the weld metal is deposited by the welder or welders by pass/layer over
> another pass/layer. Whereas, the below situation is entirely different.
> We have convinced PDO to proceed further.
>
> Regards,
> Vasanth
>
> ________________________________
>
> From: materials-welding@googlegroups.com
> [mailto:materials-welding@googlegroups.com] On Behalf Of roshan shan
> Sent: 31 December 2009 07:22
> To: materials-welding@googlegroups.com
> Subject: [MW:3928] Welder Qualification
>
> Dear all,
>
> Here we have a situation,
>
> 1) welder qualification conducted on 24" pipe as per Sec IX and client
> requirement(PDO SP-1096) with two welders welding from opposite sides(
> one welder welds the half portion and the other half by another welder).
>
> 2) RT accepted for 1st half of the portion, but the other half fails to
> meet the requirement.
>
> Question: Whether the test coupon shall be sent for bend testing to
> qualify the welder who welded the first half?
>
> NB:RT & Bend test required as per Client requirement.
>
> Regards
>
> Roshan
>
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