BS EN ISO 25178-73:2019

## BS EN ISO 25178-73:2019 - Surface Texture Specification### OverviewBS EN ISO 25178-73:2019 is the definitive standard for specifying surface texture using areal parameters. This standard is an identical adoption of ISO 25178-73:2019, providing a unified, international approach to surface metrology.Developed by technical experts across industries, this standard ensures consistent, reliable surface quality measurements. It specifies the general principles, terminology, and documentation requirements for areal surface texture, enabling effective communication and comparison of surface characteristics.### Key Features and Benefits- **Comprehensive Areal Surface Texture Specification**: Covers the full range of areal surface texture parameters, from amplitude parameters to spatial and hybrid parameters. Provides a robust framework for thoroughly describing surface topography.- **Consistent Terminology and Definitions**: Establishes a common language for surface texture, ensuring clear communication and shared understanding across applications. Defines key terms such as 'areal surface texture', 'areal surface texture parameter', and 'areal surface texture measurement'.- **Standardized Documentation Requirements**: Specifies the necessary information to be included in technical drawings, data sheets, and other documentation to properly communicate surface texture specifications. Promotes transparency and traceability.- **Supports Industry-Wide Compliance**: Harmonizes surface texture specification practices, facilitating compliance with relevant industry standards and regulations. Crucial for industries such as automotive, aerospace, medical devices, and precision manufacturing.- **Enables Reliable Comparisons**: Ensures surface texture measurements can be accurately compared, even across different measurement instruments and laboratories. Supports quality control, process optimization, and product benchmarking.### Technical SpecificationsThe key technical specifications covered by BS EN ISO 25178-73:2019 include:- **Areal Surface Texture Parameters**: - Amplitude parameters (e.g., Sa, Sq, Sz) - Spatial parameters (e.g., Sal, Str, Std) - Hybrid parameters (e.g., Sdq, Sdr) - Other parameters (e.g., Sbi, Sci, Svi)- **Measurement Conditions**: - Sampling conditions (e.g., sampling length, sampling area) - Filtering conditions (e.g., nesting indices, filter types)- **Documentation Requirements**: - Specification of areal surface texture parameters - Measurement conditions and instrument settings - Uncertainty of measurement### Compliance and ApplicationsBS EN ISO 25178-73:2019 is an essential standard for industries that require precise control and communication of surface texture, including:- Automotive manufacturing- Aerospace engineering- Medical device production- Precision machining and manufacturing- Additive manufacturing- Surface engineering and coatingsBy adhering to the requirements of this standard, organizations can ensure consistent, reliable surface quality, facilitate effective communication with suppliers and customers, and demonstrate compliance with relevant industry regulations and standards.