Products Description
E215 E235 E355 Cold Drawn Over Mandrel Seamless Steel Tubin
Advantages
- The cold-drawn manufacturing process ensures precise tolerances and surface roughness, making it suitable for high-precision fields such as hydraulics and bearings.
- The use of E355 low-carbon steel can enhance the ductility of the pipe, allowing it to withstand large plastic deformation without breaking.
applications & uses
- Automotive: shock absorbers, hydraulic cylinders, air springs, etc., for cars and motorcycles
- Hydraulic and pneumatic cylinders: cylinder tubes, piston rods, etc.
- Oil and gas industry: drill pipes and oil pipes, pressure vessels, etc.
- Mechanical equipment: bearing precision tubes, precision engineering, etc.
Chemical Composition
| Element | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) |
| Composition (%) | 0.22 - 0.28 | 0.60 - 0.90 | 0.04 (Max) | 0.04 (Max) |
Mechanical Properties
| Property | Tensile Strength | Yield Strength | Elongation | Hardness (BHN) |
| Value | 75,000 - 85,000 psi | 65,000 - 75,000 psi | 15% (Min) | 150 (Typical) |
Possible Alternative Grades
- ST52: A steel grade that offers similar strength and mechanical properties, often used in structural and heavy-duty applications.
- SAE 1020: A low-carbon steel that can be an alternative for less demanding applications requiring good formability.
- AISI 4140: A higher-strength alloy steel often used for heavy-duty and high-pressure applications, offering greater toughness and hardness compared to E355.
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