[MW:10537] 3F & 4F position in single test coupon

Dear Sir,

 

Can we qualify welder in single test coupon by root in 3F position and other passes by 4F position to qualify all position. Test coupon size is 12mm thk and 300mm long.

Please give reference also.

 

Thanks to all for your valuable inputs.Thanks,
With Best Regards,
Ramesh Barot

Cell+919978917399