DOM Metal Tube Material
DOM (Drawn Over Mandrel) metal tube material is a specialized type of steel tubing renowned for its superior strength, precision, and versatility across various applications. Here, we delve into its material composition, key features, chemical composition, mechanical properties, physical properties, and process performance.
Material Specification:
Material Type: DOM Metal Tube
Manufacturing Process: Drawn Over Mandrel (DOM)
Standard Specifications: ASTM A513 Type 5, EN 10305-2
Key Features:
High strength and durability
Excellent dimensional accuracy
Smooth surface finish
Uniform mechanical properties
Wide range of sizes and shapes available
Suitable for complex shaping and machining
Chemical Composition (Table Presentation)
| Element | Composition (%) |
| Carbon (C) | 0.12 - 0.20 |
| Manganese (Mn) | 0.60 - 0.90 |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.050 max |
Mechanical Properties (Table Presentation)
| Property | Value |
| Tensile Strength | 70,000 - 90,000 psi |
| Yield Strength | 55,000 - 75,000 psi |
| Elongation | 15% min |
| Hardness (Brinell) | 80 - 120 HBW |
Physical Properties (Table Presentation)
| Property | Value |
| Density | 7.85 g/cm³ |
| Thermal Conductivity | 51.9 W/mK |
| Specific Heat Capacity | 0.49 J/g°C |
| Melting Point | ~1425°C |
Process Performance (Table Presentation)
| Performance Parameter | Performance Value |
| Machinability | Excellent |
| Weldability | Good |
| Formability | Excellent |
| Corrosion Resistance | Fair to Good |
Steel Grade: SAE 1020, SAE 1026, SAE 1045
Application:
Automotive components (chassis, roll cages, steering columns)
Machinery parts (hydraulic cylinders, axles, shafts)
Construction (frames, scaffolding)
Bicycle frames
Exercise equipment
Possible Alternative Grades:
ERW (Electric Resistance Welded) steel tubes
Seamless steel tubes (cold drawn or hot rolled)
Stainless steel tubes (for enhanced corrosion resistance)
Aluminum tubes (for lightweight applications)
DOM metal tube material stands out for its remarkable combination of strength, precision, and versatility, making it a preferred choice across a wide range of industries and applications. Whether for automotive, machinery, construction, or other purposes, DOM tubes offer superior performance and reliability.
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