Aluminium and aluminium alloys. Chemical composition and form of wrought products - Codification of standardized wrought products
Aluminium and aluminium alloys. Chemical composition and form of wrought products - Codification of standardized wrought products
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BS EN 753 Part 5 specifies the codification of some standardized semifinished wrought products for use in ordering information. Codification is usually required for technical drawings. It does not apply to castings, cast forging stock, rolling ingots, extrusion billets, and ingots for remelting. The significance of a standard codification lies in the rational, unambiguous description of products, above all in the field of design, scheduling of operations, material supplies, and in the field of offering and ordering. The exchange of information between companies and plants made possible by-product codification becomes more and more important for communication. The system proposed in the BS EN 573-5 provides a standardized pattern from which a rapid and unequivocal description of a product is possible, instead of a lengthy verbal description. It can be used advantageously in cases where the reference to semi-products should be short and consistent, such as drawings or part lists. It is not intended to replace the technical conditions of inspection and delivery as laid down in the specific product standards. Contents of BS EN 573-5 include:
Foreword Introduction Scope Normative references Terms and definitions Codification system Structure of codification system Codification for dimension and form of extruded and drawn products Codification for dimension and form of rolled products Other examples for wrought forging stock Other examples for wire and drawing stock Other examples for extruded and drawn products Other examples for rolled products Bibliography
BS EN 573 is a standard in five parts, under the general title Aluminium and aluminium alloys. Chemical composition and form of wrought products:
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