Regarding plate welding of unlimited thickness

[abdul khan]

Dear Experts ,   If the wleder is  qualifide for 6G test , can he weld the plate of  unlimited thickness ? or he needs to Qualify 4G test to weld unlimited thickness of plate ?   wether the 6G welder is sapose to weld only pipes.   awaiting for  welding experts valueable  suggestions ..........   Regards ABDUL JABBAR KHAN

[Suresh]

Mr.Abdul ,

 

Your query is not clear ....Thickness qualification is  depends on weld cupon thickness , not depends on  Position ...

 

If the welder is qualified 6G Position then he can qualify any position but not any thickness..

 

Normally Sex IX , 2T is welder for thickness range qualification

 

Suresh

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Suresh

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[arvinda shan]

Dear Mr.Abdul,

 

6G is for position. If he qualifies in 6G position, he can do welding in any position . Reference.....SecIX- QW-461.9

 

For thickness, upto 13 mm thickness , he qualifies 2T. Beyond 13 mm , unlimited thickness.  Reference..... Sec IX -QW-452.1(b)

 

Regards

 

Arvinda.

[kalyan vvv]

Dear abdul,

                if the welder qualifies in 6G position to maximum thickness (more than 13mm). that welder is qualified in 4G position on plate also upto maximum thickness.

THANKS & REGARDS

 

KALYAN VVV

WELDING ENGINEER

HYDERABAD
Mob.NO- 09885273257

[Biplab Pal]

Dear KHAN,

 

Position is not related with thickness qualified.

For unlimited thickness qualification please refer QW 452.1(b) in sec IX 2007.

 

On Thu, Jul 28, 2011 at 7:32 PM, abdul khan <abdul_k...@yahoo.co.in> wrote:

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Thanks & Regards

Biplab Pal
Industrial Services, Inspection Engineer.
SGS India Pvt. Ltd.
Kolkata Branch

E-mail:   bipla...@gmail.com
 
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[Karthik]

Hi, If the welder qualified in 6G position with the pipe thickness(test specimen) is more than 13mm,then he qualified for pipe and plate of maximum to be welded. Thanks & Regards, (Karthik) Karthikeyan.S QA/QC Manager Getabec Energy Co.,Ltd. 379,Moo6,Soi8,Nikhomphatana, Rayong-21180, Thailand. Phone: 0066 38 897035-8 (Off) Fax: 0066 38 897034 Hand Phone: 0066 892512282 --- On Mon, 8/1/11, Biplab Pal <bipla...@googlemail.com> wrote: