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  • WPQR is the process of examining the welding procedure during the compliance process according to the relevant standards (manufacturer's production, supervising the welding test, carrying out the testing procedures and evaluating them).
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  • Welding is a special manufacturing process which is used in sectors to reveal structures which cannot be manufactured as one piece. The EN ISO 3834 series standards are also standards that define all Quality requirements for the operation of this particular process.
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