Picture this scenario: A metal stamper goes months without any issues, but then experiences a 20-percent scrap rate on a handful of shipments. Stamping conditions have not changed, as the shop has continued to use the same recipe for die setting, gauging and tonnage. The YTE properties (yield and tensile strength, and elongation) on the metal certifications remain in compliance with the ordered specification, leaving the stamping company no closer to resolving the issue.
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