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Square Steel Profile Tube
Material, Specification, Key Features
The square steel profile tube is a versatile and durable construction material known for its structural integrity and wide range of applications. It is often made from high-quality steel and manufactured to precise specifications to ensure strength and reliability. Some key features of square steel profile tubes include excellent weldability, corrosion resistance, and a high strength-to-weight ratio.
Chemical Composition
| Element | Percentage (%) |
| Carbon (C) | 0.2-0.25 |
| Manganese (Mn) | 0.7-1.0 |
| Silicon (Si) | 0.15-0.35 |
| Phosphorus (P) | <0.04 |
| Sulfur (S) | <0.05 |
Mechanical Properties
| Property | Value |
| Yield Strength | 250-300 MPa |
| Tensile Strength | 350-400 MPa |
| Elongation | 20-25% |
| Hardness (Brinell) | 150-180 HB |
Steel Grade
The square steel profile tube is typically made from grades such as ASTM A500 Grade B, S355JR, or equivalent, which meet stringent quality standards and performance requirements.
Application
Square steel profile tubes find wide applications in various industries, including construction, infrastructure development, transportation, and manufacturing. They are commonly used in the fabrication of frames, support structures, machinery components, and architectural elements due to their strength and versatility.
Possible Alternative Grades
Some alternative grades that can be used as substitutes for square steel profile tubes include ASTM A513 Type 1, S235JR, and DIN 2395-2. These grades offer similar properties and performance characteristics, making them suitable choices based on specific project requirements.
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