T/SOECC 008.1-2023 Micro-fine bimetallic composite conductor - Part 1: General provisions

Scope

Main Technical Content: Fine Double Metal Composite Conductors Part 1: General Provisions 1 Scope This standard specifies the terms and definitions, designations and representation methods, chemical composition, dimensions and tolerances, mechanical properties, electrical properties, delivery requirements, acceptance rules and test methods, marking, packaging, transportation, and storage for fine double metal composite conductors (hereinafter referred to as double metal conductors) used in various fields such as coaxial cables, automotive wires, consumer electronics, and aerospace and aviation. 2 Normative Reference Documents The content of the following documents constitutes an essential part of this document through normative reference. Among them, the referenced documents with a specified date apply only to the version corresponding to that date; for those without a specified date, the latest version (including all amendment sheets) applies. 3 Terminology and Definitions The following terms and definitions apply to this document. Double metal composite conductors: Conductors in which a copper layer is concentrically coated outside a steel (aluminum) core wire, resulting in a metallurgical bond between the two metals at the interface to form an integrated metal wire. They can simultaneously possess the advantages of both metals while ensuring the performance requirements. Fine double metal composite conductors with a diameter range of 0.025mm to 0.090mm. 4 Product Classification and Models 4.1 Product Classification The classification of fine double metal composite conductors complies with Table 1. Table 1: Product Classification of Fine Double Metal Composite Conductors Material Type Product Category State Fine Double Metal Composite Conductors (Copper-Clad Aluminum) CCA10152040A: Soft H: Hard Fine Double Metal Composite Conductors (Copper-Clad Steel) CCS21253040A: Soft H: Hard Note: The product categories of fine doubl

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