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High-Hardness 2024 Aluminum Alloy Strip | 0.1–5mm Ultra-Thin to Thick Gauges

Publish Time: 2026-03-14 14:08:37

2024 aluminum alloy is no ordinary aluminum material — it is a high-strength Al-Cu-Mg alloy, a veritable aerospace-grade material! Its core composition is precisely formulated: aluminum content ranges from 90%–94%, copper from 3.8%–4.9%, magnesium from 1.2%–1.8%, with a small addition of manganese to optimize performance. This composition allows copper and magnesium to form strengthening phases within the aluminum matrix, boosting its strength dramatically and making its hardness far exceed that of pure aluminum and ordinary manganese-based aluminum alloys.

High-Hardness 2024 Aluminum Alloy Strip | 0.1–5mm Ultra-Thin to Thick Gauges(图1)

2024 aluminum strip/sheet is defined by high strength and high precision. The 0.1mm ultra-thin strip is ideal for precision components, while the 5.0mm thick sheet can be used as load-bearing structural parts. Different thicknesses cater to various high-performance scenarios:

Aerospace Field: Aircraft skins, wing frames, landing gear components — its high-strength and lightweight properties help reduce aircraft weight and improve endurance.
Automotive Manufacturing: High-end car body frames, engine brackets, suspension system parts — its high strength and weight reduction capabilities enhance vehicle handling and fuel efficiency.
Precision Machinery Field: Machine tool fixtures, mold base plates, measuring tool accessories, gear bushings — 0.1–1.0mm ultra-thin strips can be stamped into micro-components.
Hardware Tools Field: High-strength wrench and pliers accessories, power tool casings — wear-resistant and deformation-resistant, maintaining structural integrity even after long-term use.

Core Specification Table

Item	Detailed Parameters
Alloy Composition	Al: 90–94%, Cu: 3.8–4.9%, Mg: 1.2–1.8%, Mn: 0.3–0.9%
Material Tempers	O (annealed), T3, T4, T6, T8 (age-hardened)
Size Range	Thickness: 0.1–5.0mm; Width: 10–1200mm; Length: Customizable / Coil
Core Properties	High strength, high hardness, good fatigue strength, excellent machinability
Processing Services	Slitting, cutting, stamping, bending, drilling, anodizing, spraying available
Packaging & Delivery	Scratch-resistant film coating + paper tube wrapping (coils) / wooden pallet reinforcement (sheets); in-stock items shipped same day

FAQ

Q1: Which has higher strength, 2024 or 6061 aluminum alloy?

A1: 2024 is stronger! As a high-strength aerospace aluminum alloy, 2024 can achieve a tensile strength of over 400MPa after T6 aging treatment. 6061 is a general-purpose aluminum alloy with a tensile strength of approximately 276MPa, suitable for ordinary load-bearing scenarios. Choose 2024 first for high-load components.

Q2: Can 0.1mm ultra-thin 2024 aluminum strip be stamped? Will it crack?

A2: Yes, it can be stamped, but you must choose the right temper! 2024 aluminum strip in O temper (annealed) has the best plasticity, and won’t crack easily during stamping or stretching. In contrast, T3/T6 hardened tempers have poor plasticity and are not suitable for complex stamping forming. It is recommended to confirm the material temper with the manufacturer before stamping.

Q3: How is the corrosion resistance of 2024 aluminum strip/sheet? Can it be used outdoors?

A3: 2024 has average corrosion resistance, and is prone to pitting corrosion especially in humid or salt-spray environments. If outdoor use is required, surface treatment is a must — anodizing, spraying, or aluminum-zinc alloy cladding can significantly improve its corrosion resistance.

Q4: Can the width be customized for small-batch purchases of 0.1–5.0mm specifications?

A4: Absolutely! Whether it is 0.1mm narrow strip or 5.0mm wide sheet, we can slit and cut it according to your needs. Even for small orders of a few kilograms, the manufacturer can achieve precise processing, and free sampling is also supported.

Q5: Why is the price of 2024 aluminum alloy strip/sheet higher than ordinary aluminum materials?

A5: Because it is an aerospace-grade material with strict composition control and more complex production processes, especially the age-hardening treatment step, which costs much more than ordinary pure aluminum and manganese-based aluminum alloys. But you get what you pay for — its high strength allows you to reduce part thickness and extend product service life, delivering excellent overall cost-effectiveness.

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