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[MW:1030] Re: LIMIT OF WELDER QUALIFICATION OVER DIA. RANGE

By Materials & Welding
YES, YOU CAN TO WELD  ALL FILLET WELD, BECAUSE BUTTWELD QUALIFY ALL FILLET, ASME IX PAR QW-452



On Wed 13/08/08 06:00 , SENTHILKUMAR SWAMINATHAN skumarswami@yahoo.co.in sent:

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Refer:  ASME Sec 9, Page 143

GROOVE-WELD DIAMETER LIMITS
(See notes 1,2)
                                                                                                                        
Outside Diameter Outside Diameter Qualified, in.
of Test Coupon, in. Min. Max.
                                                                                                                        
Less than 1 Size welded Unlimited
1 to less than 2 7 /8 1 Unlimited
2 7 /8 and over 2 7 /8 Unlimited
                                                                                                                        
NOTES:
(1) Type and number of tests required shall be in accordance with QW-452.1.
(2) 2 7 /8 in. O.D. is the equivalent of NPS 2 1 /2 .
 
Regards,
S.Senthilkumar

--- On Wed, 13/8/08, shailesh dave wrote:
From: shailesh dave
Subject: [MW:1027] LIMIT OF WELDER QUALIFICATION OVER DIA. RANGE
To: materials-welding@googlegroups.com
Date: Wednesday, 13 August, 2008, 1:41 PM

DEAR MEMBERS,
 
I HAVE COME ACROSS AN INTERESTING SITUATION.
 
WE HAVE WELDERS QUALIFIED IN 6" x 7.11 mm THK. PIPE OFF COURSE BUTT WELD. MY QUESTION IS CAN THESE WELDER PERFORM WELDING OF SMALL BORE PIPE LIKE 3/4" SOCKET WELD.
 
PL. HELP ME.
 
REGARDS,
 
S.N.DAVE
 
QA/QC INCHARGE
ADGAS, DAS ISLAND, UAE


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