
ASTM A513 T5 Dom Square Tube
ASTM A513 T5 Dom Square Tube is a specific type of square steel tube that is widely used in various industries due to its excellent mechanical properties and versatility. This article provides an in-depth overview of the material, its specifications, key features, chemical composition, mechanical properties, steel grade, applications, and possible alternative grades.
Material and Specification
Material: ASTM A513 T5 DOM (Drawn Over Mandrel) Steel
Specification: ASTM A513 Type 5
Key Features
High tensile strength
Excellent formability
Good weldability
Smooth surface finish
Tight dimensional tolerances
Chemical Composition (Table presentation)
| Element | Composition (%) |
| Carbon (C) | 0.24 - 0.31 |
| Manganese (Mn) | 0.90 - 1.30 |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.050 max |
Mechanical Properties (Table presentation)
| Property | Value |
| Tensile Strength | 70,000 psi (min) |
| Yield Strength | 60,000 psi (min) |
| Elongation (%) | 15 (min) |
| Hardness (BHN) | 85 (max) |
Steel Grade
ASTM A513 T5 is a specific grade of low-carbon, electric-resistance-welded (ERW) mechanical tubing. It is cold-formed and electric resistance welded, providing high strength and good surface finish.
Application
ASTM A513 T5 Dom Square Tubes are commonly used in:
Structural applications
Automotive components
Furniture
Agricultural equipment
Construction equipment
Possible Alternative Grades
While ASTM A513 T5 is a widely used and versatile material, there are some alternative grades available for specific applications:
ASTM A500: Similar in structure and purpose but different in chemical composition and strength.
ASTM A36: More commonly used for general structural purposes but less specialized than A513 T5.
ASTM A847: For applications requiring corrosion resistance and atmospheric conditions.




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