T/CAEE 052-2026 Active Group standards

T/CAEE 052-2026 High-Strength and High-Conductivity Copper Alloy Strip and Foil for New Energy Vehicles

Publish Date: 2026-04-15 Implement Date: 2026-04-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CAEE 052-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Ophthalmic and ENT surgical instruments

ICS Name: Copper products

Publish Date: 2026-04-15

Implement Date: 2026-04-30

Scope

This document specifies the terms and definitions, classification and marking, specifications, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage, and order form requirements for high-strength and high-conductivity copper alloy strip foils used in new energy vehicles. This document is applicable to high-strength and high-conductivity copper alloy strip foils used in the new energy vehicle field for manufacturing electrical connectors, wiring harnesses, battery plates, and other components. 6 Test Methods Chemical Composition Analysis The chemical composition analysis of strip foils shall be conducted in accordance with the provisions of GB/T 5121 (all parts) or YS/T 482 or YS/T 483. The arbitration analysis of chemical composition shall be conducted in accordance with the provisions of GB/T 5121 (all parts). Dimensions and Permissible Deviations The inspection of the dimensions and permissible deviations of strip foils shall be conducted in accordance with the provisions of GB/T 26303.3. Mechanical Properties The tensile test of strip foils shall be conducted in accordance with the provisions of GB/T 34505-2017, with the sample number being P01 in Table 3 of GB/T 34505-2017. The Vickers hardness test of strip foils shall be conducted in accordance with the provisions of GB/T 4340.1. Electrical Properties The conductivity of strip foils shall be conducted in accordance with the provisions of GB/T 32791 or GB/T 351, and the arbitration shall be conducted in accordance with the provisions of GB/T 351. Bending Test The bending test of strip foils shall be conducted in accordance with the provisions of GB/T 232. Bending Stress Relaxation The bending stress relaxation test of strip foils shall be conducted in accordance with the provisions of GB/T 39152. Softening Temperature Resistance The softening temperature resistance of strip foils shall be conducted in accordance with the provisions of GB/T 33370. Residua