Seamless Steel Tube Cold Drawn Precision Carbon Steel Tube EN10305-4 For Hydraulic System
Seamless steel tubes are used in a wide range of applications, from construction to automotive and hydraulic systems. One specific type of seamless steel tube that has gained popularity in recent years is the cold drawn precision carbon steel tube EN10305-4. This article will provide an overview of this type of seamless steel tube, including its material, specification, chemical composition, mechanical properties, steel grade, and application.
Material
The cold drawn precision carbon steel tube EN10305-4 is made from carbon steel. Carbon steel is an alloy that contains carbon and iron, with trace amounts of other elements such as manganese, phosphorus, sulfur, and silicon. Carbon steel is known for its strength, toughness, and durability, making it an ideal material for use in hydraulic systems.
Specification
The cold drawn precision carbon steel tube EN10305-4 is a seamless steel tube that conforms to the European standard EN10305-4. This standard specifies the technical delivery conditions for seamless cold drawn steel tubes of circular cross section for hydraulic and pneumatic power systems.
Chemical Composition
The chemical composition of the cold drawn precision carbon steel tube EN10305-4 is as follows:
| Element | Composition (%) |
| Carbon | 0.18 – 0.22 |
| Silicon | 0.15 – 0.35 |
| Manganese | 0.60 – 1.00 |
| Phosphorus | 0.035 max |
| Sulfur | 0.035 max |
Mechanical Properties
The mechanical properties of the cold drawn precision carbon steel tube EN10305-4 are as follows:
| Property | Value |
| Tensile strength | 580 – 720 MPa |
| Yield strength | 420 MPa min |
| Elongation | 8% min |
| Hardness | 170 – 210 HV |
Steel Grade
The cold drawn precision carbon steel tube EN10305-4 is available in several steel grades, including:
| Steel Grade | Chemical Composition |
| E235 | Same as above |
| E355 | Same as above |
| E255 | 0.18 – 0.25 C, 0.27 – 0.35 Mn, 0.40 – 0.80 Si |
| E410 | 0.35 – 0.45 C, 0.50 – 0.80 Mn, 0.15 – 0.35 Si |
Application
The cold drawn precision carbon steel tube EN10305-4 is commonly used in hydraulic systems, where it is used to transport fluids and gases under pressure. It is also used in the automotive industry, where it is used in the manufacture of fuel injection systems, power steering systems, and brake systems.
Conclusion
The cold drawn precision carbon steel tube EN10305-4 is a high-quality seamless steel tube that is ideal for use in hydraulic systems and other applications that require high strength, durability, and resistance to corrosion. With its precise dimensions and excellent mechanical properties, it is a reliable and cost-effective choice for many different industries.
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