Fit-for-purpose requirements
The intended application informs the relevant grade, tolerance, testing standard and acceptance criteria.
Quality
Specification is the first quality control.
Quality assurance begins with an unambiguous commercial specification and continues through appropriate verification, inspection and document review.
Independent evidence
Where appropriate, qualified third-party inspection and laboratory services can provide independent confirmation.
Document alignment
Certificates, reports and shipping documents should reflect the agreed specification and transaction terms.