EN10305-3 E155 E190 E195 E220 E235 Welded Cold Sized Tubes For Precision Applications
Material
EN10305-3 specifies the requirements for welded cold sized tubes used in precision applications. These tubes are manufactured from high-quality steel grades, ensuring durability and performance in various industrial applications.
Specification
The standard outlines the dimensions, tolerances, and mechanical properties of the tubes, ensuring they meet the necessary criteria for precision engineering. The tubes are typically used in applications requiring high dimensional accuracy and surface finish.
Key Features
- High Precision: Manufactured to tight tolerances for exact fit and performance.
- Welded Construction: Provides strength and integrity while allowing for various shapes and sizes.
- Cold Sizing: Enhances dimensional accuracy and surface finish.
- Versatile Applications: Suitable for various industries, including automotive, aerospace, and machinery.
Chemical Composition
| Steel Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) |
| E155 | 0.12 | 0.25 | 0.60 | 0.025 | 0.015 | 0.20 | 0.20 | 0.10 |
| E190 | 0.15 | 0.25 | 0.80 | 0.025 | 0.015 | 0.25 | 0.25 | 0.10 |
| E195 | 0.20 | 0.25 | 0.90 | 0.025 | 0.015 | 0.25 | 0.25 | 0.10 |
| E220 | 0.25 | 0.25 | 1.00 | 0.025 | 0.015 | 0.30 | 0.30 | 0.10 |
| E235 | 0.25 | 0.25 | 1.20 | 0.025 | 0.015 | 0.30 | 0.30 | 0.10 |
Mechanical Properties
| Steel Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
| E155 | 155 | 350-450 | 20 | 120-160 |
| E190 | 190 | 400-500 | 20 | 130-170 |
| E195 | 195 | 410-510 | 20 | 130-170 |
| E220 | 220 | 450-550 | 20 | 140-180 |
| E235 | 235 | 480-580 | 20 | 140-180 |
Steel Grade
The EN10305-3 standard includes several steel grades, each designed for specific applications and performance requirements. The grades E155, E190, E195, E220, and E235 represent varying yield strengths and chemical compositions.
Application
Welded cold sized tubes are widely used in:
- Automotive Industry: For structural components and chassis.
- Aerospace: In the manufacture of aircraft components.
- Machinery: For precision parts in various machines.
- Hydraulic Systems: For pipes and fittings requiring high pressure.
Possible Alternative Grades
While EN10305-3 grades are specifically tailored for precision applications, alternative grades may include:
- EN 10210: Hot-finished structural hollow sections.
- EN 10219: Cold-formed welded and seamless structural hollow sections.
- ASTM A500: Standard specification for cold-formed welded and seamless carbon steel structural tubing.
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Q: Are you trading company or manufacturer ?
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EN10305-3 E355 Welded Cold Sized Tubes For Precision Applications Images
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