ST52 Hot Finished Seamless Tube
ST52 Hot Finished Seamless Tube
ST52 Hot Finished Seamless Tube is a high-strength, low-alloy steel tube manufactured through a hot-forming process without any welding seams. It is known for its excellent mechanical properties, durability, and suitability for heavy-duty applications.
ST52 Hot Finished Seamless Tube is a robust, high-performance steel tube ideal for structural and mechanical applications requiring strength, durability, and reliability. Its seamless construction ensures superior performance under high stress and pressure.
Advantages
1. High Ductility: Suitable for bending and forming without cracking.Hot-finished process – Refines grain structure for better mechanical properties vs. cold-finished tubes.
2. High Strength: ST52 steel offers good mechanical properties, including high tensile strength and toughness.
3. Corrosion Resistance: Non-alloy steel – Requires coating/painting for corrosive environments but offers good base resistance.
4. Seamless Construction: No welded joints, eliminating weak points and ensuring uniform strength.
5. Versatility: Suitable for a wide range of applications, including hydraulic cylinders, pneumatic cylinders, and precision engineering components.
| Parameter | Specification |
|---|---|
| ID Size | 20mm – 1500mm |
| Length | Max 16 meters |
| Type | Seamless, Hot Rolled |
| Straightness | ≤ 0.5mm per 1000mm |
| Packing | Bundle with steel strip |
Material Composition
| Element | Composition |
|---|---|
| Carbon (C) | ≤ 0.22% |
| Silicon (Si) | ≤ 0.55% |
| Manganese (Mn) | 1.00 – 1.60% |
| Phosphorus (P) | ≤ 0.025% |
| Sulfur (S) | ≤ 0.025% |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength | ≥ 355 MPa |
| Tensile Strength | 490-630 MPa |
| Elongation | ≥ 22% |
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