Chinalcometal

Aluminum Block and Blanks

Aluminum block and aluminum blanks are both semi-finished forms of aluminum material, but they differ in size, precision, processing stage, and intended use. An aluminum block typically refers to a large, solid billet or thick slab used as the raw stock for heavy machining and fabrication, while aluminum blanks are pre-cut, shape-optimized workpieces designed for direct use in stamping, turning, or CNC machining. Understanding the distinction between the two helps manufacturers choose the most efficient starting material for their production needs. Whether you require a large aluminum block for structural or tooling applications, or precision-cut blanks for component manufacturing, we offer both forms in a wide range of alloys and dimensions to meet exact customer specifications.

Aluminum Block

An aluminum block refers to a thick, solid billet or slab used as the starting point for further machining, forming, or fabrication. Aluminum blocks are most often supplied in rectangular or square profiles and are valued for their structural integrity and versatility in industrial applications.

Features:
An aluminum block is characterized by its large size, heavy thickness, and excellent machinability. It is typically produced through extrusion, rolling, or forging processes, then precision-cut to meet customer size requirements. As a raw material, the aluminum block may have lower initial dimensional precision compared with blanks, but it provides the strength and mass required for complex machining and structural fabrication. Its uniform composition and high material stability make it ideal for projects demanding durability and reliability under heavy loads.

Available Sizes:

  • Thickness: 10–580 mm

  • Width: 30–2000 mm

  • Length: 50–4200 mm

  • Standard stock size: 1600 × 3660 mm

  • Custom cutting and non-standard dimensions are available upon request.

Aluminum Block and Blanks

Typical Applications:
Molds, jigs, equipment bases, aerospace parts, and high-strength machined components.

Aluminum Blanks

Aluminum blanks are semi-finished, pre-cut workpieces prepared for stamping, deep drawing, or CNC machining. Their shape and dimensions are closer to the final product, allowing for better material utilization and shorter processing time.

Aluminum Block and Blanks

Features:
An aluminum blank is supplied in a pre-defined form—such as round, square, or flat—and features a smooth surface with tighter dimensional tolerances compared with blocks. It is ready for direct machining or forming operations, making it an excellent choice for manufacturers seeking stable quality and efficient production flow. Aluminum blanks combine outstanding processability with high dimensional accuracy, helping reduce waste and improve production efficiency while maintaining consistent mechanical properties.

Available Sizes:

  • Thickness: 5–100 mm

  • Width: 30–1700 mm

  • Length: 50–4000 mm

  • Customized aluminum blanks and precision cutting services are available to meet your project requirements.

Typical Applications:
Used in deep-drawn or stamped parts such as containers and lids, as well as CNC preforms for automotive and mechanical components.

We supply both aluminum block and blanks in high-performance alloys including 7075, 5083, and 6061, covering a wide range of industrial and engineering applications.
Our aluminum materials are produced with high precision, superior homogeneity, and excellent dimensional stability, ensuring reliable performance and consistent quality. They are also weldable, corrosion-resistant, thermally stable, impact-resistant (with excellent shock absorption), non-magnetic, heat-dissipative, and highly decorative in surface finishing.
Whether you need aerospace-grade 7075 aluminum block, marine-grade 5083 aluminum blanks, or versatile 6061 aluminum block for CNC machining and fabrication, we provide materials that combine strength, processability, and aesthetic appeal — all custom-cut to your specifications.


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