Stock code: 601677
Stock code: 601677
In industrial manufacturing and architectural decoration, aluminum sheet grade 3003 H14 has become a key material for numerous projects due to its excellent corrosion resistance, workability, and cost-effectiveness. From household appliance casings to building curtain wall systems, and from transportation components to food packaging containers, its applications continue to expand. This article will delve into its performance characteristics and highlight typical projects where this material is most commonly used, helping you quickly understand its core value.
“H14” is an international designation for the temper state of aluminum sheets, indicating specific mechanical properties achieved through moderate cold working. Here, “H” stands for strain-hardened (cold-worked) state, while “14” denotes the degree of hardening. Aluminum sheet grade 3003 H14 gains enhanced hardness and strength through cold rolling while retaining sufficient ductility, making it resistant to cracking during stamping and bending while maintaining superior surface flatness. This temper state balances formability and avoids excessive brittleness, making it an ideal choice for performance and processing efficiency.
As part of the 3xxx series aluminum alloys, 3003 contains manganese (Mn) as its primary alloying element, significantly improving tensile and yield strength. Compared to pure aluminum sheets, its strength increases by approximately 20%, making it suitable for withstanding minor impacts and pressures in everyday use. Additionally, manganese enhances corrosion resistance, ensuring stable performance even in humid or saline environments. This makes it a preferred choice for outdoor construction, marine equipment, and food-contact applications.
1. Architectural Decoration & Curtain Wall Systems
Thanks to its lightweight nature, ease of processing, and weather resistance, 3003 H14 aluminum sheets are widely used in curtain walls, ceilings, and interior partitions. Surface treatments like anodizing and coating allow for diverse colors and textures, meeting modern architectural demands for both aesthetics and functionality.
2. Transportation Industry
In automotive, marine, and rail transport, 3003 H14 aluminum sheets are often used for body panels, fuel tanks, and radiators. Their lightweight properties help reduce energy consumption, while corrosion resistance extends component lifespan—making them especially suitable for cost-sensitive mid-to-low-end vehicles and shipbuilding.
3. Household Appliances & Electronics
Refrigerators, air conditioners, and microwave casings frequently utilize 3003 H14 aluminum sheets due to their good thermal conductivity (aiding heat dissipation) and food-grade safety compliance after surface treatment.
4. Food & Beverage Packaging
With its non-toxic, moisture-proof, and barrier properties, 3003 H14 is used for cans, bottle caps, and flexible packaging. Its workability supports high-speed stamping, while surface flatness ensures high-quality printing, making it a mainstream choice in food packaging.
As a leader in China’s aluminum processing industry, Henan Mingtai Aluminum specializes in R&D and production of high-quality aluminum sheet grade 3003 H14. Their products are manufactured using advanced (1+4) hot continuous rolling lines, ensuring uniform thickness and flatness. Precise cold rolling and annealing processes guarantee accurate H14 temper control. Mingtai offers customization in dimensions, surface treatments, and packaging, catering to construction, transportation, appliances, and packaging industries. Whether for mass production or small-scale orders, Mingtai provides reliable solutions to enhance project competitiveness.
