EN10305-5 E155 E190 E195 E220 E235 Welded And Cold Sized Square Steel Tube For Precision Applications
Material
EN10305-5 square steel tubes are designed for precision applications, offering high dimensional accuracy and excellent surface quality. These tubes are manufactured through a process that involves welding and cold sizing, ensuring they meet stringent standards for precision engineering tasks.
Specification
EN10305-5 specifies the requirements for welded and cold-sized square steel tubes. These tubes are often used in applications where precision, strength, and reliability are paramount. The specification covers various steel grades, including E155, E190, E195, E220, and E235, each offering unique mechanical properties to suit different applications.
Key Features
- High Precision: Manufactured to tight tolerances for applications requiring exact dimensions.
- Excellent Surface Quality: Smooth finish suitable for further processing or direct use.
- Versatile Applications: Used in automotive, construction, and mechanical engineering industries.
- Variety of Grades: Available in multiple steel grades to meet specific mechanical and chemical requirements.
Chemical Composition
The chemical composition of EN10305-5 steel grades is crucial for determining their suitability for various applications. Below is a table presenting the typical chemical composition for these grades:
| Element | E155 (%) | E190 (%) | E195 (%) | E220 (%) | E235 (%) |
| C | ≤ 0.12 | ≤ 0.12 | ≤ 0.12 | ≤ 0.12 | ≤ 0.17 |
| Si | ≤ 0.35 | ≤ 0.35 | ≤ 0.35 | ≤ 0.35 | ≤ 0.35 |
| Mn | ≤ 0.70 | ≤ 0.70 | ≤ 0.70 | ≤ 0.70 | ≤ 1.20 |
| P | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| S | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
Mechanical Properties
The mechanical properties of EN10305-5 steel grades are essential for understanding their performance under different conditions. The table below outlines the typical mechanical properties:
| Property | E155 | E190 | E195 | E220 | E235 |
| Yield Strength (MPa) | ≥ 155 | ≥ 190 | ≥ 195 | ≥ 220 | ≥ 235 |
| Tensile Strength (MPa) | 290-430 | 340-480 | 340-480 | 410-550 | 450-600 |
| Elongation (%) | ≥ 26 | ≥ 24 | ≥ 24 | ≥ 22 | ≥ 20 |
Steel Grade
The steel grades covered under EN10305-5 are E155, E190, E195, E220, and E235. Each grade offers a balance of strength, ductility, and weldability, making them suitable for various precision applications.
Application
EN10305-5 square steel tubes are used in a wide range of applications, including:
- Automotive Industry: Components requiring high precision and strength.
- Construction: Structural elements where dimensional accuracy is critical.
- Mechanical Engineering: Machinery parts that demand reliable performance.
- Furniture Manufacturing: Frames and supports that need a smooth finish and precise dimensions.
Possible Alternative Grades
While EN10305-5 offers a range of steel grades, alternative grades may be considered based on specific application requirements. Possible alternatives include:
- EN10219: Suitable for structural applications with less stringent precision requirements.
- EN10210: Hot-finished structural hollow sections offering higher strength.
- ASTM A500: A North American standard for cold-formed welded and seamless carbon steel structural tubing.
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trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
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seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
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Q: Are you trading company or manufacturer ?
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A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
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