An Overview of Aluminum Sheet Specifications and Sizes

Aluminum sheet is a flat-rolled metal product widely used in numerous industries due to its light weight, corrosion resistance, and ease of fabrication. To ensure quality and uniformity, the product is manufactured according to standard specifications and sizes issued by international and national organizations. Due to globalization, the Vietnamese market now largely adheres to international standards like ISO or ASTM.

International Specifications and Standards

In the global market, aluminum sheet is governed by major standards from ASTM International (USA), EN (Europe), and ISO. These standards regulate alloy composition, mechanical properties, and dimensional tolerances.

• ASTM B209/B209M: This is the most common standard, covering aluminum and aluminum-alloy sheet, coil, and plate. It includes popular alloys such as 1050, 3003, 5052, 6061, and 7075.
• EN 485 series: The European standard, which specifies technical conditions and tolerances for wrought aluminum rolled products.
• Aluminum Association Designations: Provides the international designation system for aluminum alloys (e.g., 1xxx for pure aluminum, 5xxx for Mg alloys).

Common International Standard Sizes Table:

Specifications and Standards in Vietnam

The Vietnamese market primarily follows the National Standards (TCVN), which are harmonized with ISO and ASTM to ensure compatibility.

• TCVN 13065-1:2020: The main standard for flat-rolled aluminum and aluminum alloy products, applicable for thicknesses from 0.15 mm to 400 mm.
• TCVN 13065-3:2020: Specifies dimensional and form tolerances for aluminum strips.

Common Standard Sizes Table in Vietnam:

Note on Selection

Fundamentally, the specifications and sizes for aluminum sheet in Vietnam and internationally are very similar. The main differences lie in the stock sizes readily available from local suppliers. When purchasing, it is crucial to check the accompanying Certificate of Analysis (COA), which should specify the manufacturing standard (ASTM, TCVN, etc.), the exact alloy grade, and the actual tolerances to ensure the material meets the project's technical requirements.