3004 aluminum alloy is widely used in the manufacturing of traffic signs. Due to its excellent physical properties and adaptability to various environmental conditions, it has become an ideal choice for the production of traffic signs. Especially when exposed to various climatic conditions for extended periods, 3004 aluminum plate ensures the stability and readability of traffic signs due to its corrosion resistance, strength, and good surface coating properties, greatly enhancing road safety.
Traffic Signs 3004 Aluminum Plate Specifications
| Product Name | Aluminium plate/circle/disc/disk |
| Surface | Mill finish &Non stick coated, no scratches, no burrs, withour rough selvedge |
| Alloy | 3004 |
| Temper | HO, H12, H14, H16, H18, H19, H22, H24, H26, H28, F, H112, ect |
| Process | Hot rolled &Cold rolled |
| Thickness | 0.3mm-6.0mm |
| Diameter | 80mm-1600mm |
| Package | Export wooden pallents, craft paper, anti-blushing agent. |
| Payment terms | 30% T/T in advance as deposit, 70% balance against the B/L copy or 100% irrevocable L/C at sight |
| Delivery Time | 20-30 days after deposit |
| Quality of material | Totally free from defects like white rust, roll marks, edge damage, camber, dents, holes, break lines, scratches and free from coil set. |
Traffic Signs Aluminum 3004 Properties
High Strength and Good Impact Resistance
The strength of 3004 aluminum alloy has a significant advantage over other conventional aluminum alloys, effectively withstanding external pressures such as wind force and impact, ensuring that traffic signs are not easily damaged in various environments. This property makes it suitable for long-term use in road signs, indicator signs, and other applications, especially in areas exposed to high wind speeds or traffic collisions.
Excellent Corrosion Resistance
3004 aluminum alloy exhibits strong corrosion resistance, particularly in outdoor environments, capable of withstanding moisture, acid rain, seawater, and other corrosive elements. Since traffic signs are exposed to various natural conditions for long periods, 3004 aluminum plates ensure a long service life, avoiding common issues like corrosion and fading.
Anti-Aging Properties
Due to the natural formation of a dense oxide film on the surface of the aluminum alloy, 3004 aluminum plates show excellent anti-aging properties when used outdoors. This ensures that traffic signs maintain their original performance and appearance even when exposed to direct sunlight, high temperatures, and harsh weather conditions.
Excellent Coating Performance
The surface of 3004 aluminum plates can undergo various coating treatments, such as spraying, heat transfer printing, or lamination, to enhance their reflectivity and visual effects. These coatings not only provide an attractive appearance but also improve the visibility of traffic signs at night or in low-visibility environments, effectively enhancing road safety.
Traffic Signs Aluminum 3004 Advantages
- Aging Resistance: 3004 aluminum plates do not fade or become brittle under prolonged exposure to sunlight and high temperatures, ensuring that the performance of traffic signs remains unchanged even after extended use.
- Corrosion Resistance: It maintains stable performance in various climatic conditions, including humid and acidic environments, preventing traffic signs from failing due to corrosion.
- Surface Treatment Performance: Surface coatings can improve the weather resistance of 3004 aluminum plates and increase the reflectivity of the signs, especially in nighttime driving, where reflective materials enhance visibility.
- High Strength and Toughness: Even in extreme weather or high-traffic areas, 3004 aluminum plates provide sufficient strength and toughness to prevent traffic signs from breaking due to external forces.
Traffic Signs Aluminum 3004 Applications
Traffic Sign Plates
3004 aluminum alloy is widely used in the production of traffic sign plates for highways, urban roads, and bridges, as its excellent corrosion resistance and strength ensure that it maintains good structural stability and readability even when exposed to sunlight, rain, wind, and other harsh weather conditions. The oxidation resistance and UV protection of 3004 aluminum plates allow them to effectively resist weather erosion, ensuring that the signs remain clear and visible even after years of use.
Indicator Signs
3004 aluminum alloy is widely used in road indicator signs, warning signs, and directional signs. Not only does it have the characteristics of being lightweight and high-strength, making it easy to install and maintain, but it can also withstand strong UV exposure and weather erosion, maintaining good weather resistance. The surface treatment properties of aluminum alloy allow it to maintain vibrant colors and clear markings for a long time, providing effective navigation guidance for pedestrians and drivers.
Road Traffic Facilities
3004 aluminum alloy plays an important role in parking lot signs, traffic signal supports, and traffic safety barriers. Its excellent corrosion resistance and high strength ensure that these facilities remain stable in performance even under harsh conditions like wind, sunlight, rain, and snow. The workability of 3004 aluminum alloy also allows it to adapt flexibly to different design needs, ensuring the reliability and durability of traffic facilities, and effectively enhancing road safety.
With its outstanding strength, corrosion resistance, anti-aging properties, and excellent coating performance, 3004 aluminum alloy occupies an important position in the manufacture of traffic signs. Whether in harsh weather conditions or high-traffic areas, 3004 aluminum plates ensure the stability and readability of traffic signs, greatly enhancing road safety.
What Are the Requirements for 3004 Aluminum Plate for Road Signs?
As the base material for road signs, 3004 aluminum plates are required to have high surface flatness, no cracks, no obvious scratches or damage, uniform color, and good processing performance and weather resistance. Only when these requirements are met can the stability, visibility, and aesthetics of road signs be ensured during long-term outdoor use.
| Requirements | Description |
| Surface Flatness | The surface flatness of the road sign base plate is required to be very strict, with a tolerance of no more than 1.0mm per square meter. Uneven surfaces will affect the installation accuracy and long-term visibility of the sign, especially if the aluminum plate has noticeable warping or unevenness during the installation process, which can cause misalignment or improper fixing of the sign. Over time, deformation or detachment may occur. Therefore, maintaining surface flatness is crucial to ensure the reliability and visual effect of the sign. |
| No Cracks or Damage | 3004 aluminum plates used for road signs must remain free of cracks, noticeable scratches, and other physical damage. Cracks and damage not only reduce the mechanical strength of the aluminum plate, potentially leading to cracking or deformation during long-term use, but also affect the aesthetic appearance of the sign. Cracked or damaged areas can become the starting point for corrosion, which, over time, could damage the material and shorten the sign's lifespan. Therefore, the base plate material must be in perfect condition without any damage. |
| No Noticeable Scratches | The surface of the 3004 aluminum plate must be free of any noticeable scratches. Scratches can affect the appearance of road signs and, during surface treatments (such as spraying or anodizing), may cause uneven coating, which in turn affects the sign's weather resistance and visual effect. Scratches can also make the surface of the aluminum plate more susceptible to corrosion, especially in environments with wind and rain, where corrosion may begin at the scratched areas and spread, compromising the durability of the sign. To ensure long-term use, the aluminum plate surface must be smooth and scratch-free. |
| Color Uniformity | Since road signs often undergo spraying or anodizing treatments, the surface color of the 3004 aluminum plate must be uniform, with no visible color differences. Uneven color may affect the visual effect and recognizability of the sign, especially under different lighting conditions, such as direct sunlight during the day or street lights at night. Signs with uneven colors may make it difficult for drivers or pedestrians to clearly recognize the content, reducing the sign's effectiveness and safety. Therefore, the surface-treated aluminum plates must ensure uniform color, avoiding color differences or stains. |
| Long-Term Weather Resistance | Since road signs are often exposed to various harsh weather conditions, such as intense sunlight, heavy rain, wind, sand, and chemical corrosive substances in the air, the 3004 aluminum plate must have excellent weather resistance. The aluminum plate's oxidation resistance and UV protection must be strong enough to ensure that the sign does not fade, corrode, or degrade after years of use. Road signs exposed to outdoor environments should maintain their structural stability, with no noticeable aging, cracking, or fading, thereby ensuring long-term readability and functionality. |
| Processing Precision Requirements | Since road signs typically require precise shapes and dimensions, 3004 aluminum plates must have high processing precision. The aluminum plates should be easy to cut, punch, and shape, ensuring that signs can be manufactured to precise shapes and sizes according to design requirements. If the processing precision of the aluminum plates is insufficient, the sign's dimensions may not meet specifications, leading to misalignment or improper fixation during installation, and even affecting the stability of the sign. High precision in processing ensures that the aluminum plate meets design requirements and guarantees the sign's installation and performance. |