Galvanized Channel Steel U-Load Bearing Structural 18ft Building
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Models & Dimensions：
Chinese Standard: Light series 80×43×5.0mm, Medium series 200×75×9.0mm
US Standard: C8×11.5 (203×74×10.0mm)
European Standard: UAP 120×60 (Depth 120mm×Flange 60mm)
Japanese Standard: C-100×50×20×3.2 (Lip 20mm×Thk. 3.2mm)
Applications:
Building:Steel columns, roof purlins
Industry:Conveyor rails, machine bases
Infrastructure: Bridge walkways, crane runways
Specialty: Breakwaters, acid-resistant
Standards:
Material Standards:
China: GB/T 700 Q235B (Yield ≥235MPa)
USA: ASTM A36 (Yield ≥250MPa)
EU: EN 10025 S355JR (Yield ≥355MPa)
Key Technologies:
Hot-Dip Galvanizing:
445-465℃ process, bond strength >3,500psi
Cold Roll-Forming:
12+ forming passes, tolerance ±0.3mm
Post-Treatment:
Chromate passivation: Paint adhesion boost
Spangle-free: Smooth finish (ISO 1461 Class A)
Surface Treatment:
Standard: 40-120μm zinc coat
Alloy Coating: ZAM® (3× corrosion resistance)
Duplex System: Epoxy+PU coat (60y maintenance-free)
Specialty: Phosphating (weldability)
Packaging:
Standard exporting package.
FAQ
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Q: What is galvanized channel steel?
A: Galvanized Channel Steel is a type of channel steel that has been coated with zinc to prevent corrosion. This process is called galvanizing and it increases the durability and life of the steel, making it suitable for a variety of construction and industrial uses.
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Q: What are the common uses of galvanized channel steel?
A: Galvanized channel steel is commonly used in building structure support, frame structure and components of various construction projects. Due to its high strength and corrosion resistance, galvanized channel steel is also widely used in manufacturing, automotive and agricultural fields.
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Q: How is galvanized channel steel produced?
A: The production process of galvanized channel steel involves forming the steel into a channel shape and then applying a zinc layer through hot-dip galvanizing or electrogalvanizing, which involves dipping the steel into molten zinc or using an electric current to deposit zinc onto the steel surface.
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Q: What are the advantages of using galvanized channel steel?
A: The main advantages of galvanized channel steel include excellent corrosion resistance, longer service life, lower maintenance costs and the ability to withstand harsh environmental conditions. In addition, it also has good structural integrity and is easy to manufacture and install.
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Q: Is galvanized channel steel environmentally friendly?
A: Yes, galvanized steel channels are considered environmentally friendly. The galvanized coating is non-toxic and can be recycled at the end of its useful life. Additionally, the durability of galvanized steel reduces the need for frequent replacement, which reduces waste.
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Q: How to choose the appropriate galvanized channel steel size?
A: When selecting the right size galvanized steel channel, consider factors such as load requirements, span length and specific use. Consulting with a structural engineer or experienced supplier can help ensure you select the right size for your project.
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