GB/T 40321-2021 (English Version) PDF

Scope: This document specifies the classification, technical requirements, test methods, product qualification, process control, inspection rules, marking, packaging, transportation, storage, and quality certificates of 7055 and other AlZnMgCu series high-strength and high-toughness aluminum alloy sheets. and the contents of the order form (or contract). This document applies to 7055 and other AlZnMgCu series (hereinafter referred to as 7××× series) high-strength and high-toughness aluminum alloy sheets (hereinafter referred to as sheets).

GB/T 40321-2021 Referenced Document

GB/T 16865 Specimens and methods for tensile testing of deformed aluminum, magnesium and their alloy processed products*， 2023-08-06 Update
GB/T 17432 Methods for sampling for analyzing the chemical composition of wrought aluminum and aluminum alloys
GB/T 22639 Test method of exfoliation corrosion for aluminium alloy products*， 2022-03-09 Update
GB/T 27677 Aluminium hardeners
GB/T 3190 Chemical composition of wrought aluminium and aluminium alloys
GB/T 3499 Raw magnesium ingot*， 2023-12-28 Update
GB/T 467 Copper cathode
GB/T 470 Zinc ingots
GB/T 6519 Ultrasonic inspection method for deformed aluminum and magnesium alloy products*， 2024-03-15 Update
GB/T 8005 Aluminium and aluminium alloys--Terms and definitions
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
YS/T 665 Refined aluminum ingots for remelting

2021 GB/T 40321-2021 High strength and toughness Al-Zn-Mg-Cu series aluminium alloy plate