EXTRUSION

Extrusion

Extrusion is a process in which heated aluminum billets are pressed through high-pressure dies to form products with the desired cross-sectional shape.
This process enables the precise formation of complex profiles while maximizing material efficiency and productivity.
After extrusion, post-processing steps such as cutting, straightening, cooling, and tensioning ensure dimensional stability and mechanical integrity.
Thanks to aluminum’s lightweight nature and excellent machinability, extruded products are widely used across diverse industries, including construction, automotive, and electronics.
Through high-precision die technology and automated equipment, Daeyeong Metal provides high-quality extruded materials with stable and reliable performance. View Details

DRAWING

Drawing

Drawing is a cold working process in which aluminum bars or wires are pulled through a die to reduce their cross-sectional area and increase their length.
Unlike extrusion, where material is pushed through the die, drawing is performed by applying external tensile force to pull the material.
Various factors such as reduction ratio, die angle, friction, and drawing speed directly affect both product quality and productivity.
This process enables precise dimensional control, allowing the production of ultra-fine wires with diameters measured in micrometers (μm).
By utilizing multiple die stages, Daeyeong Metal ensures stable, high-speed, and high-precision aluminum drawing production. View Details

SHOT BLASTING

Shot Blasting

The aluminum shot blasting process is an advanced surface treatment technology that enhances both the strength and aesthetic quality of the product.
By precisely blasting stainless-steel shots onto the surface, it strengthens the material, prevents microcracks, and improves fatigue resistance.
Additionally, by removing oxides and impurities, it achieves a clean and uniform texture that maximizes coating and painting adhesion in subsequent processes. View Details

COATING

General Anodizing

The General Anodizing process is an electrolytic treatment that forms a thin aluminum oxide layer on the surface, enhancing both corrosion resistance and decorative appeal.
Using a mildly acidic electrolyte (typically sulfuric acid), the surface is oxidized in a controlled manner, allowing for a wide range of color options and improved visual refinement.
This process is primarily applied to products requiring superior surface quality and durability, such as home appliances, interior materials, and industrial components.
The resulting surface is smooth with high reflectivity, offering a premium metallic texture. General anodizing thickness typically ranges from 5 to 15 μm.
While this method provides basic corrosion resistance and insulation properties, it has limitations under abrasive or high-strength conditions. View Details

HARD ANODIZING

Hard Anodizing

Hard anodizing is a specialized electrochemical process conducted under low temperatures and high current conditions to produce a dense, high-strength oxide layer with superior wear and corrosion resistance.
The anodic film exhibits exceptional hardness of Hv 400 or higher, maintaining its performance even under high-load and high-temperature environments. The anodic thickness typically ranges from 25 to 80 μm or more, and the surface naturally develops shades of gray or dark brown during the process.
This process is widely applied in industries that demand precision and durability, such as automotive, aerospace, machinery components, and industrial equipment.
It also offers excellent heat resistance, insulation, and chemical stability, delivering reliable performance even without additional plating or coating treatments. View Details