EN 10277-2 Cold Rolled Steel Tube Stainless Steel Bright Tube For General Engineering Purposes
Introduction
EN 10277-2 is a European standard that specifies the requirements for cold-rolled stainless steel bright tubes used in general engineering applications. This standard ensures the quality and properties of the steel tube, making it suitable for various industries. In this article, we will explore the material, specification, key features, chemical composition, mechanical properties, steel grades, applications, and possible alternative grades for EN 10277-2 cold-rolled steel tubes.
Material
EN 10277-2 cold-rolled steel tubes are manufactured from stainless steel, which provides excellent corrosion resistance and durability. Stainless steel is chosen for its ability to withstand high temperatures and harsh environments, making it ideal for engineering applications that require reliable performance.
Specification
The specification for EN 10277-2 cold-rolled steel tubes includes criteria for its dimensions, tolerances, surface finish, and mechanical properties. Compliance with this specification ensures that the tubes meet the required standards and can perform effectively in their intended applications.
Key Features
The key features of EN 10277-2 cold-rolled steel tubes are:
- Corrosion resistance: Stainless steel offers excellent resistance to corrosion, making these tubes suitable for applications exposed to various atmospheric conditions and chemicals.
- Durability: The cold-rolled manufacturing process enhances the structural integrity of the tubes, ensuring long-lasting performance even in challenging environments.
- Bright surface finish: These stainless steel tubes have a bright surface finish, providing an aesthetically pleasing appearance.
- Tight dimensional tolerances: EN 10277-2 ensures that the tubes meet precise dimensional requirements, facilitating easy installation and compatibility with other components.
Chemical Composition
| Element | Percentage Range |
| Carbon (C) | 0.03% max |
| Silicon (Si) | 1.00% max |
| Manganese (Mn) | 2.00% max |
| Phosphorus (P) | 0.045% max |
| Sulfur (S) | 0.015% max |
| Chromium (Cr) | 16.0-18.0% |
| Nickel (Ni) | 10.0-14.0% |
| Nitrogen (N) | 0.10% max |
Mechanical Properties
| Property | Value |
| Tensile Strength (Rm) | 500-700 MPa |
| Yield Strength (Rp0.2) | 200-400 MPa |
| Elongation (A) | 35-50% |
| Hardness (HB) | 150-250 HB |
| Impact Value (KV) | 100 J min |
Steel Grade
EN 10277-2 defines different steel grades, including X5CrNi18-10, X8CrNiS18-9, X2CrNiMo17-12-2, and more. These steel grades have varying chemical compositions and mechanical properties to cater to specific engineering requirements.
Application
EN 10277-2 cold-rolled steel tubes find application in various general engineering sectors, including but not limited to:
- Automotive industry for exhaust systems, fuel lines, and hydraulic systems.
- Construction industry for structural components, handrails, and facade systems.
- Food and beverage industry for processing equipment, storage tanks, and piping.
- Pharmaceutical industry for sterile environments and hygienic applications.
- Chemical industry for containers, pressure vessels, and pipelines.
Possible Alternative Grades
If alternative grades are required, several options can be considered depending on specific needs. Some possible alternatives to EN 10277-2 cold-rolled steel tubes include ASTM A213/A269 stainless steel tubes, DIN 17457 stainless steel tubes, and JIS G3448 stainless steel tubes. However, it is essential to consult the specific requirements and evaluate the suitability of alternative grades before making a selection.
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