Re: [MW:29707] 6GR qualified welder. As per AWS D1.1

     Dear Sir,

    Actually I need to Qualify the WPS for 6GR position as per AWS D1.1.  

As per Clause no 9.15.4.1, it is clear that Mock up test coupons need to be welded.My concern is about the size ofspecimen to be used for Sample Mock up test. Whether we can use Plates (Since it is mentioned Sample joint) instead of tubular sections. Also whether  points a,b,c applicable for only plates.??

Thanking You,

Sandeep.P.R 

 

On Fri, Jul 2, 2010 at 8:59 PM, Philip, Taiye (Lagos) <Taiye...@deltaafrik.com> wrote:

Hello gents,

 

 I have a query on butt joint welding with 6GR qualified welder. As per AWS D1.1 (2006) Table 4.10 Note d, 6GR qualified welder is qualified for all position. However, they are not qualified to weld production weld butt joint welded from one side without backing or welded from both side without backing. In this case, it is considered as single side welding without backing. Pls could some one in the house clarify more on these if I am right or wrong as per D1.1 interpretations?

 

 

Regards

Philip Taiye

Principal QA/QC Welding Engineer

(MIPs Quality Control)

DeltaAfrik Engineering Limited

2nd Floor, City Express Bank Building

Plot 1637 Adetokunbo Ademola Street

Victoria Island, Lagos  Nigeria

Phone: +234-1-461-8508, +2341-461-6137 ext. 1257
Cell: +234-(0)-803-803-1396
Fax: +234-1-262-2418

e-mail: taiye...@worleyparsons.com

 

 

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