A500 square tubing is a common type of steel used in construction. The "A500" in its name indicates that it meets specific material standards, while "square tubing" refers to its square cross-sectional shape. This material is widely used in building structures, playing a particularly important role in frame support and load-bearing components.
A500 square tubing is primarily made of carbon steel, and its chemical composition and mechanical properties meet relevant standards. This material has high strength, capable of withstanding large loads, while also possessing good plasticity and toughness, making it less prone to brittle fracture under stress. The surface of A500 square tubing is typically galvanized or powder-coated to enhance its corrosion resistance and extend its service life. Due to the regular cross-sectional shape of the square tubing, its stress distribution is relatively uniform under load, contributing to improved structural stability.
A500 GRA GRB GRC GRD Square Tube Property
| Property | Gr.A | Gr.B | Gr.C | Gr.D |
|---|---|---|---|---|
| Chemical (wt%) | ||||
| Carbon (C) | ≤ 0.26% | ≤ 0.26% | ≤ 0.23% | ≤ 0.27% |
| Manganese (Mn) | ≤ 1.35% | ≤ 1.35% | ≤ 1.35% | ≤ 1.35% |
| Phosphorus (P) | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% |
| Sulfur (S) | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% |
| Copper (Cu) | ≥ 0.20% (when spec) | ≥ 0.20% (when spec) | ≥ 0.20% (when spec) | ≥ 0.20% (when spec) |
| Mechanical | ||||
| Min Yield Strength | ≥ 330 MPa (48 ksi) | ≥ 350 MPa (50 ksi) | ≥ 400 MPa (58 ksi) | ≥ 360 MPa (52 ksi) |
| Min Tensile Strength | ≥ 400 MPa (58 ksi) | ≥ 450 MPa (65 ksi) | ≥ 480 MPa (70 ksi) | ≥ 500 MPa (72 ksi) |
| Elongation (50mm) | ≥ 25% | ≥ 23% | ≥ 21% | ≥ 20% |
Applications:
A500 square tubing is widely used in various building and engineering projects.
In industrial plant construction, it is often used as columns and beams to support the weight of roofs and walls.
In public facilities such as stadiums and exhibition halls, square tubing can be used to construct space truss structures, enabling large-span designs.
In infrastructure such as bridges and towers, A500 square tubing is also frequently used as a primary load-bearing component.
Due to its ease of installation and high structural efficiency, this material is also widely used in temporary and prefabricated buildings.
A500 GRA GRB GRC GRD Structural Tube Factory
