EN 10296-1 E275 Welded Circular Steel Tubes For Mechanical
EN 10296-1 E275 Welded Circular Steel Tubes For Mechanical
Material
EN 10296-1 E275 grade refers to welded circular steel tubes manufactured according to the European Standard EN 10296-1. These tubes are designed primarily for mechanical and structural applications, where good weldability and adequate mechanical properties are required. The base material is a carbon steel grade with controlled chemical composition and defined mechanical characteristics.
Specification
- Standard: EN 10296-1
- Grade: E275
- Shape: Circular
- Type: Welded steel tubes
- Manufacturing Process: Cold drawn or hot finished, electric welded
- Dimensions: Various outer diameters and wall thicknesses available as per the standard
- Application: Mechanical and structural use, including hydraulic and pneumatic systems
Chemical Composition
The chemical composition of E275 grade welded steel tubes according to EN 10296-1 is tightly controlled to ensure the required performance. Below is a typical range:
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤ 0.22 |
| Manganese (Mn) | 0.50 – 1.60 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Silicon (Si) | ≤ 0.40 |
| Nitrogen (N) | ≤ 0.012 |
Mechanical Properties
The mechanical properties for the E275 steel grade welded tubes per EN 10296-1 are defined as follows:
| Property | Minimum Value |
|---|---|
| Yield Strength (ReH) | 275 MPa |
| Tensile Strength (Rm) | 410 - 560 MPa |
| Elongation (A%) | ≥ 20% |
| Hardness (HB) | Typically ≤ 140 |
Key Features
- Good Weldability: Optimized composition allows for stable and high-quality welding joints.
- Consistent Strength: Offers a reliable yield strength of 275 MPa, suitable for many mechanical applications.
- Durability: Good resistance to wear and mechanical stress.
- Dimensional Accuracy: Manufactured to tight tolerances ensuring easy integration into mechanical systems.
- Versatility: Suitable for both low and moderate pressure conditions.
Application
EN 10296-1 E275 welded circular steel tubes are widely used in:
- Mechanical engineering components
- Automotive parts and chassis
- Hydraulic and pneumatic tubing systems
- Structural elements and frameworks
- Engineering machinery
- General industry for construction and maintenance
Equivalent Grades
Some approximate equivalent steel grades from other standards include:
| Standard | Equivalent Grade |
|---|---|
| EN 10025 | S275 |
| ASTM | A500 Grade B (similar) |
| JIS | SS400 (approximate) |
| DIN | St44-2 |
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