CEN approved EN 10204:2004 in October 2004, replacing EN 10204:1991. Standard applies to all metallic products regardless of production method. Available in English, French, and German versions
Senior management has ultimate responsibility for quality system implementation. Quality System must be comprehensive and documented. System should be designed to ensure consistent product quality
AQL is the maximum acceptable defect level in ISO 2859-1 standard. It determines the worst tolerable process average for lot-by-lot inspection. Three limits exist: critical (0), major (1.5/2.5), and minor (4.0)
COA is a formal laboratory document detailing analysis results. Assures recipient that analyzed item matches advertised specifications. Design based on lab requirements, regulations, or standards
Poka-yoke means "mistake-proofing" in Japanese. Term was originally baka-yoke, meaning "fool-proofing". Developed by Shigeo Shingo in Toyota Production System
AQL is the maximum number of defective items allowed during random sampling inspections. Defined in ISO 2859-1 as the worst tolerable quality level. Typically expressed as percentage or ratio of total production quantity