Aluminum Block Supplier | High-Grade 5005–7075 Billets

About Signi Aluminium

Henan Signi Aluminium Co., Ltd. is a professional manufacturer and exporter specializing in high-quality aluminum blocks and industrial aluminum products. With years of experience in metallurgy and precision fabrication, we serve clients across automotive, aerospace, machinery, and construction industries.

Our production lines are equipped with advanced rolling, cutting, and surface treatment technologies, ensuring consistent quality and dimensional accuracy. We strictly adhere to international standards and provide full material traceability for every batch.

15+

Years Experience

60+

Global Clients

Our Aluminum Block Products

Precision-engineered aluminum blocks in various alloys and tempers. Ideal for molds, engines, billets, and industrial components.

5005 Aluminum Block

Excellent corrosion resistance and workability. Commonly used in architectural panels and decorative applications.

Alloy: 5005
Temper: H111, H32, O
Thickness: 6–300mm
Standard: GB/T 3880

5052 Aluminum Block

High fatigue strength and excellent marine corrosion resistance. Ideal for marine and automotive parts.

Alloy: 5052
Temper: H32, H34, O
Thickness: 5–250mm
Standard: ASTM B209

5083 Aluminum Block

Superior strength and seawater resistance. Used in shipbuilding, pressure vessels, and transportation.

Alloy: 5083
Temper: H111, H321, O
Thickness: 8–350mm
Standard: EN 573-3

6061 Aluminum Block

Versatile structural alloy with good weldability and medium strength. Ideal for machinery and frames.

Alloy: 6061
Temper: T6, T651, O
Thickness: 6–200mm
Standard: AMS 4027

7075 Aluminum Block

High-strength aerospace alloy with excellent fatigue resistance. Used in aircraft and high-performance parts.

Alloy: 7075
Temper: T6, T651
Thickness: 10–150mm
Standard: MIL-DTL-46855

2A12 Aluminum Block

High-strength alloy used in aviation structures. Excellent strength-to-density ratio.

Alloy: 2A12
Temper: T4, T351
Thickness: 8–120mm
Standard: GB/T 3191

5754 Aluminum Block

Good formability and corrosion resistance. Common in automotive and storage tanks.

Alloy: 5754
Temper: H111, H22, O
Thickness: 5–280mm
Standard: DIN 1725

6082 Aluminum Block

European equivalent of 6061. High strength and excellent extrudability. Used in structural applications.

Alloy: 6082
Temper: T6, T651, O
Thickness: 6–220mm
Standard: EN 755-2

Key Applications

Our aluminum blocks are engineered for performance across industries.

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Aluminum Engine Block

Lightweight, high-conductivity blocks for automotive and marine engines.

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Aluminium Mold Block

Precision-machined blocks for injection and die-casting molds.

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Vehicle Wheel Block

High-strength alloys for forged and cast wheel manufacturing.

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Billet Aluminum Block

Solid billets for CNC machining and custom part fabrication.

Advanced Production Capabilities

Our facility in Zhengzhou, Henan Province, features a fully integrated production line from raw material processing to final inspection.

✓ Hot-rolled thick plate production (6–350mm)
✓ Precision saw cutting and CNC machining
✓ Surface treatments: sandblasting, anodizing, brushing
✓ Full QA/QC with mechanical and microstructure testing
✓ Custom packaging and global logistics

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