Process control and inspection of finished components answer different questions. Both need to be matched to the treatment and agreed customer specification.
Process parameters
Chemical composition, temperature and treatment time are examples of parameters relevant to surface treatment. Applicable checks, limits and frequency depend on the process. A general description does not mean that every bath has the same instrumentation or monitoring schedule.
Inspection of components
Specify coating thickness, measurement locations, sampling and acceptance criteria where required. Thickness measurement and salt spray testing assess different properties.
Testing and reporting
Agree the method, responsible party, reporting and any requirement for an external accredited laboratory before ordering. Management-system certification should not be interpreted as accreditation for a test method.
Discuss your component
Send the drawing revision, material grade, quantity and required finish. Include critical surfaces, inspection requirements and delivery needs.
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