en
fr
es
Painted Steel Tube Factory
Painted steel tube is essentially a steel tube (which can be either seamless or welded) that has a layer of paint applied to its exterior surface. This paint coating acts as a protective barrier against rust, corrosion, and wear, while also offering aesthetic appeal or enabling color-coding for specific applications. The steel itself provides the structural strength, and the paint enhances its longevity and appearance.
Key Features
Corrosion Protection: The primary benefit of paint on steel tubes is to create a barrier against moisture, oxygen, and other corrosive elements, significantly extending the tube's lifespan.
Enhanced Aesthetics: Paint allows for a wide range of colors and finishes (matte, glossy, metallic), making painted steel tubes ideal for architectural, decorative, or visible structural applications where appearance matters.
Cost-Effective Protection: While not as long-lasting as galvanization in some harsh environments, painting is often a more economical initial coating option and can be easily reapplied for maintenance.
Surface Smoothness: Paint provides a smooth, uniform surface that can be desirable for certain applications.
Color-Coding and Identification: Different paint colors can be used to easily identify pipes for various purposes (e.g., water, gas, fire suppression, or electrical conduits), enhancing safety and organization.
UV Resistance (with appropriate paints): Certain paints, like polyurethanes, offer good UV resistance, preventing fading and degradation when exposed to sunlight.
Product Specifications
We offer a comprehensive range of painted steel tubes, designed to meet the rigorous demands of the construction industry.
Base Steel Types: Typically carbon steel (e.g., ASTM A500, ASTM A53) for structural and general construction uses, offering excellent weldability and strength.
Shapes: Most commonly supplied as round, square, and rectangular hollow sections (HSS), allowing for diverse architectural and structural designs.
Outer Diameter (OD) / Side Dimensions:
- Round Tubes: From 0.5 inches (12.7mm) for architectural details to 24 inches (610mm) or larger for heavy structural columns.
- Square/Rectangular Tubes: Available in side dimensions from 0.5x0.5 inches (12.7x12.7mm) up to 20x20 inches (508x508mm) or larger, catering to various load-bearing and design requirements.
Wall Thickness: Ranging from 1.0mm (0.04 inches) for lighter-duty or decorative applications up to 25mm (1 inch) or more for primary structural elements and heavy-duty frameworks.
Length: Standard lengths commonly include 6 meters (20 feet) and 12 meters (40 feet). Custom cut-to-length services are often available to minimize waste and streamline fabrication on site.
Paint Types:
- Primer Coats: Often red oxide or zinc-rich primers for foundational corrosion resistance.
- Topcoats: Epoxies, polyurethanes, alkyds, or acrylics are common, chosen based on required durability, chemical resistance, UV stability, and desired finish (matte, semi-gloss, gloss). Custom color matching to RAL or Pantone codes is frequently offered.
Product Applications
Architectural Elements: Exposed columns, beams, trusses, facade supports, awnings, and decorative features.
Structural Framing: Secondary framing, bracing, purlins, and light-to-medium load-bearing structures.
Handrails & Balustrades: Providing safe and aesthetically pleasing barriers for stairways, balconies, and walkways.
Interior Design: Furniture frames, partition systems, shelving units, and other visible interior structures.
Renovation & Modernization: Ideal for adding new structural or aesthetic elements to existing buildings.
