Table of contents
- BS 6323 part 5 specification
- BS 6323 Grade CFS 5 Tube Standard length tolerances
- BS 6323 part 5 Chemical Composition
- Mechanical Properties of BS 6323-5
- EN 1.0408 Equivalent Grade
- Diameter Tolerance of St 45 ERW Pipes
- BS 6323-5 Tube Material Testing
- Application of BS 6323 Part V ERW Tubes
BS 6323 Part 5 Specification
Grade | BS 6323 Part 5 |
---|---|
Thickness | Custom |
Length | 12m / 6m / 6.4m |
Ends | Plain / Threaded / Bevelled |
Processing Service |
|
Pipe Type | ERW / CDW |
Heat Treatment | Stress Relieved (BK+S) |
Internal Diameter Accuracy | H7 / H8 / H9 |
Internal Surface Roughness | Ra0.2~0.8um |
Threads Configuration |
|
Understanding St 45 ERW Pipe Length Tolerances
The length tolerances for St 45 ERW pipes play a crucial role in industrial and manufacturing processes. These tolerances ensure consistent and accurate lengths, which are essential for proper fitting and assembly in machinery and construction systems. Adhering to these standards helps manufacturers achieve better consistency and interchangeability of parts, reducing the need for adjustments during installation. This precision also minimizes material waste and enhances production efficiency, making it a key factor in cost-effective manufacturing.
BS 6323 Grade CFS 5 Tube Standard Length Tolerances
Component length (mm) | OD 30-100 mm | OD 100-254 mm |
---|---|---|
10-100 | + 1.0/- 0 | + 2.0/- 0 |
100-600 | + 2.0/- 0 | + 3.0/- 0 |
600-1200 | + 3.0/- 0 | + 4.0/- 0 |
1200-5000 | + 5.0/- 0 | + 6.0/- 0 |
Carbon Content and Its Role in BS 6323 Part V ERW Tubes
BS 6323 Part V ERW tubes contain approximately 0.25% carbon, which significantly contributes to their mechanical properties. This level of carbon increases the strength and hardness of the material, making it suitable for high-pressure environments. It also maintains a good balance between weldability and machinability, ensuring ease of manufacturing without compromising structural integrity. This makes the tubes ideal for a wide range of applications requiring durability and reliability.
Chemical Composition of BS 6323 Part 5
Mechanical Properties of BS 6323-5
The yield strength of 350 MPa indicates the material's ability to resist deformation under stress, ensuring structural stability in normal working conditions. This feature allows the tubes to withstand various loads and pressures over time while maintaining their shape and function. The tensile strength of 540 MPa further enhances the tube’s durability, providing excellent resistance to mechanical forces. Additionally, its ductility ensures that the material can be bent, formed, and shaped without cracking, offering flexibility in application and design.
Yield Strength | Tensile Strength |
---|---|
350 MPa | 540 MPa |
EN 1.0408 Equivalent Grade
Standard | EN |
---|---|
DIN 23912 | EN 1.0408 / St 45 |
Formability of BS 6323 Grade HFS 5 Tubes
BS 6323 Grade HFS 5 tubes are known for their excellent formability, making them easy to shape and manufacture. They exhibit good ductility and bending strength, allowing them to be bent, flared, and formed without cracking or losing structural integrity. This property not only enhances their versatility but also reduces manufacturing costs and improves production efficiency. As a result, they are widely used in industries where complex shapes and precise designs are required.
Diameter Tolerance of St 45 ERW Pipes
T/D-ratio | Tolerance limits |
---|---|
≥0.05 | 1 |
0.05>T/D≥0.025 | 1.5 |
<0.025 | 2 |
Material Testing for BS 6323-5 Tubes
- Chemical Analysis
- PMI Testing
- Flattening Test
- Micro and Macro Test
- Mechanical Testing
- Hardness Test
- Intergranular Corrosion Test
- Pitting Resistance Test
- Flaring Test
EN 1.0408 Material in Automotive and Engineering Applications
EN 1.0408 material is extensively used in automotive and engineering fields due to its balanced combination of strength, hardness, and machinability. With a carbon content of about 0.4%, it offers improved mechanical properties and is suitable for components that require high strength and wear resistance, such as bolts, shafts, and gears. Its ability to undergo heat treatment makes it a versatile choice for various engineering applications.
Applications of BS 6323 Part V ERW Tubes
- Water pipelines
- Gas lines
- Automotive industry
- Oil and gas sectors
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