[MW:34265] Re: Weld Rejection Rate (WRR) for Welder and Welding Operator

Dear All 

Each company will have their own standard of  Weld Repair Rate . Also the calculation method  consideration is different .

Linear length Method or NDT Spot  based method

1.Linear Length - Defect Length /Total Length of welds welded  

   This is followed for Vessels/Equipment - Standard is  < 1 %

NDT involved is Visual Testing, DPT, MPT, RT,MUT,AUT

2 No of defective Spots in NDT /Total Number of spots of NDT taken

   This is followed for Piping/Tubing  < 5 % 

NDT involved is Visual Testing, DPT, MPT, RT,MUT,AUT

Regards

Vishwas -IWE 

On Monday, June 5, 2023 at 10:53:20 AM UTC+5:30 s.navaneethan.mani wrote:

Hi expert ,

 Anybody aware of the international reference standard of weld rejection rate for welders /welding operators .

Thanks & Regards

Navaneetha Perumal S

QA/QC Engineer -Mechanical & Welding

CSWIP 3.1, NDT Level-II & ISO 9001

M :+966-505721787 (WhatsApp & Calling)            M :+919750521128

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