1.5 Inch Mild Steel Dom Mechanical Tubing: A Comprehensive Guide
Introduction
Mild steel DOM (Drawn Over Mandrel) mechanical tubing is a versatile material widely used in various industries for its durability, strength, and ease of fabrication. This article provides an in-depth overview of 1.5-inch mild steel DOM tubing, including its material composition, specifications, key features, chemical composition, mechanical properties, physical properties, process performance, steel grade, applications, and possible alternative grades.
Material and Specification
Diameter: 1.5 inches
Material: Mild Steel
Type: Drawn Over Mandrel (DOM) Mechanical Tubing
Wall Thickness: Specified by ASTM A513 Type 5
Key Features
Excellent Strength-to-Weight Ratio
Superior Surface Finish
Consistent Dimensional Tolerances
Enhanced Machinability
Good Weldability
Chemical Composition (Table Presentation)
| Element | Composition (%) |
| Carbon (C) | 0.15 - 0.25 |
| Manganese (Mn) | 0.60 - 0.90 |
| Phosphorus (P) | 0.040 (max) |
| Sulfur (S) | 0.050 (max) |
Mechanical Properties (Table Presentation)
| Property | Value |
| Tensile Strength (MPa) | 400 - 500 |
| Yield Strength (MPa) | 310 (min) |
| Elongation (%) | 15 (min) |
| Hardness (HRB) | 80 (max) |
Physical Properties (Table Presentation)
| Property | Value |
| Density (g/cm³) | 7.85 |
| Melting Point (°C) | 1425 |
| Thermal Conductivity (W/m·K) | 51.9 |
| Electrical Conductivity (%IACS) | 13.6 |
Process Performance (Table Presentation)
| Property | Performance |
| Formability | Excellent |
| Machinability | High |
| Weldability | Good |
| Corrosion Resistance | Moderate |
Steel Grade
ASTM A513 Type 5
Application
Automotive Components: Roll cages, chassis, steering components.
Machinery Parts: Shafts, axles, bushings, hydraulic cylinders.
Construction: Frameworks, supports, handrails.
Furniture: Chair frames, table bases.
Agricultural Equipment: Linkages, structural components.
Possible Alternative Grades
ASTM A519 Grade 1020
AISI 1018
SAE 1026
Conclusion
1.5-inch mild steel DOM mechanical tubing offers a cost-effective solution for various applications requiring strength, durability, and precision. Understanding its material composition, specifications, and properties can help in selecting the right tubing for specific industrial needs. Whether in automotive, construction, machinery, or furniture, this versatile material continues to be a popular choice due to its exceptional performance and ease of use.
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