Galvanized Square Tube
Galvanized Square and Rectangle Steel Tube is manufactured to A500 and A513 grade standards and hot-dip galvanized in a zinc-rich bath for superior corrosion resistance. This treatment makes it a strong, long-lasting solution for structural, framing, and support applications.
Galvanized Square Tube offers a cost-effective alternative to stainless steel, providing up to 30 years of rust-free performance in outdoor and industrial settings. It is ideal for fencing, handrails, framework, and other exposed structural elements.
Hot-dipped galvanized (HDG) steel tubing is recognized by its spangled surface finish—a crystallization pattern that indicates a robust zinc coating. This layer enhances the tube’s resistance to weathering, impact, and chemical exposure.
Galvanized Square Tube maintains the structural strength of carbon steel while adding a durable surface coating for long-term protection. This makes it ideal for industrial frameworks, commercial enclosures, and load-bearing installations.
Specifications
Measurement Guide
Width (A) x Height (B) x Wall Thickness (C) x Length.
PageTitle
Galvanized Steel Square Tube, A500 A513 Zinc Coated Tubing for Structural and Industrial Use
Surface Finish
Silver / gray color, grainy and spackled surface.
Specifications
ASTM A500B / A513, G90 Galvanized Coating.
ASTM A500 standard for hot-formed welded and seamless carbon steel structural tubing.
ASTM A500 standard for hot-formed welded and seamless carbon steel structural tubing.
Applications
Used in structural support, outdoor signs, docks, trailers, sign posts, and framing.
Commonly used in fencing, roofing, industrial equipment, and exposed outdoor environments.
Commonly used in fencing, roofing, industrial equipment, and exposed outdoor environments.
Workability
Can be cut, machined, or welded using standard steel fabrication methods.
Adequate ventilation should be used to avoid inhalation of fumes when heated.
Saw-cut ends of pre-cut lengths are not galvanized and should be treated with a cold galvanizing compound.
Adequate ventilation should be used to avoid inhalation of fumes when heated.
Saw-cut ends of pre-cut lengths are not galvanized and should be treated with a cold galvanizing compound.
Additional Notes
All dimensions are before the galvanizing process.
Stock lengths may vary +/- 1/2"; Custom Cut lengths available on request.
Great corrosion resistance, making it an excellent choice for outdoor use or exposed environments.
Stock lengths may vary +/- 1/2"; Custom Cut lengths available on request.
Great corrosion resistance, making it an excellent choice for outdoor use or exposed environments.
Mechanical Properties
Yield Strength: 46,000 psi.
Ultimate Tensile Strength: 58,000 psi.
Density: 0.282 lb/in³ (7.8 g/cc).
Melting Point: ~2,750°F (~1,510°C).
Ultimate Tensile Strength: 58,000 psi.
Density: 0.282 lb/in³ (7.8 g/cc).
Melting Point: ~2,750°F (~1,510°C).
Chemical Composition
Carbon (C): 0.3% max.
Copper (Cu): 0.18% max.
Iron (Fe): 99% min.
Sulfur (S): 0.063% max.
Phosphorus (P): 0.05% max.
Copper (Cu): 0.18% max.
Iron (Fe): 99% min.
Sulfur (S): 0.063% max.
Phosphorus (P): 0.05% max.
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