The DIN 2391 ST52 E355 High Pressure Hydraulic Tubing refers to seamless carbon high pressure hydraulic honed tubing that is designed for applications requiring high strength and durability. This tubing is commonly used in hydraulic systems, where it is exposed to high pressure and extreme conditions.
The material specification for DIN 2391 ST52 E355 tubing is governed by the German Institute for Standardization (Deutsches Institut für Normung). It is made from high-quality carbon steel, ensuring excellent mechanical properties and reliable performance under demanding working conditions.
Key features of DIN 2391 ST52 E355 tubing include:
The chemical composition of DIN 2391 ST52 E355 tubing is essential to understand its material properties and suitability for various applications. The table below provides a breakdown of the typical chemical composition:
| Element | Composition (%) |
|---|---|
| Carbon | 0.22 |
| Silicon | 0.55 |
| Manganese | 1.60 |
| Phosphorus | 0.025 |
| Sulfur | 0.025 |
The mechanical properties of DIN 2391 ST52 E355 tubing determine its strength, toughness, and suitability for high-pressure hydraulic systems. The following table presents the typical mechanical properties:
| Property | Value |
|---|---|
| Tensile Strength | 660 MPa |
| Yield Strength | 510 MPa |
| Elongation | 14% |
| Hardness (Rockwell C) | 68 |
DIN 2391 ST52 E355 tubing falls under the steel grade ST52, which is a low-alloy, high-strength structural steel. This particular grade offers excellent mechanical properties, including high tensile and yield strength, making it ideal for hydraulic tubing applications requiring robustness and reliability.
DIN 2391 ST52 E355 tubing is commonly used in a wide range of high-pressure hydraulic applications, including:
While DIN 2391 ST52 E355 tubing offers exceptional performance, there are alternative grades that can be considered for specific applications. Some possible alternatives include:
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