They are commonly used for culverts, stormwater management, drainage systems, and other applications where strength and longevity are crucial. In this article, we will explore the different sizes of corrugated steel pipes, their specifications, and a general price guide to help you choose the right CSP for your project.
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Corrugated Steel Pipe Sizes and Specifications
Corrugated steel pipes come in various diameters, thicknesses, and lengths to suit different project requirements. The most common sizes range from small diameters of 6 inches to large diameters of up to 144 inches or more. Here's a detailed breakdown of the standard sizes and their specifications:
1. Diameter
Small Diameter CSP: 6 inches (150 mm) to 24 inches (600 mm)
Medium Diameter CSP: 30 inches (750 mm) to 72 inches ( mm)
Large Diameter CSP: 78 inches ( mm) to 144 inches ( mm) or larger
2. Corrugation Profiles
Corrugation profiles refer to the pattern of ridges and grooves on the pipe, which provide structural strength. Common corrugation profiles include:
2 2/3' x 1/2' (68 mm x 13 mm): Suitable for smaller pipes and light-duty applications.
3' x 1' (76 mm x 25 mm): Standard for most medium-sized pipes.
5' x 1' (125 mm x 25 mm): Used for larger pipes that require additional strength.
9' x 2.5' (229 mm x 64 mm): For extra-large pipes used in heavy-duty applications.
3. Thickness
The wall thickness of corrugated steel pipes is measured in gauge. The thickness you choose depends on the load-bearing requirements of your project. Common gauges include:
16 Gauge (1.52 mm): Light-duty applications.
14 Gauge (1.91 mm): Standard for most medium-duty applications.
12 Gauge (2.66 mm): Heavy-duty applications.
10 Gauge (3.51 mm): Extra heavy-duty applications, such as culverts under highways.
4. Lengths
CSP is typically available in standard lengths of 20 feet (6 meters) or 24 feet (7.3 meters), but custom lengths can be manufactured based on project requirements.
5. Coating and Lining Options
To enhance durability and resist corrosion, CSP can be coated or lined with various materials:
Galvanized Steel: Standard zinc coating for moderate corrosion resistance.
Aluminized Type 2: Offers better corrosion resistance than galvanized.
Polymer Coating: Provides superior protection against corrosion and abrasion.
Asphalt Lining: Improves hydraulic performance and resistance to corrosion.
Corrugated Steel Pipe Sizes Chart
Here's a table showcasing the typical sizes of corrugated steel pipes along with their specifications:
Diameter (inches)Diameter (mm)Corrugation ProfileThickness (Gauge)Standard Length (feet) 2/3" x 1/2", 2/3" x 1/2", " x 1", " x 1", " x 1", " x 1", " x 1", " x 2.5", 24
Corrugated Steel Pipe Price Guide
The price of corrugated steel pipes varies based on size, thickness, coating, and other factors. Below is a general price guide:
1. Small Diameter CSP (6' to 24'):
Galvanized: $10 to $20 per linear foot
Aluminized: $15 to $25 per linear foot
Polymer Coated: $20 to $30 per linear foot
2. Medium Diameter CSP (30' to 72'):
Galvanized: $25 to $50 per linear foot
Aluminized: $30 to $60 per linear foot
Polymer Coated: $35 to $70 per linear foot
3. Large Diameter CSP (78' and above):
Galvanized: $50 to $100+ per linear foot
Aluminized: $60 to $120+ per linear foot
Polymer Coated: $70 to $140+ per linear foot
Factors Affecting CSP Pricing:
Material Costs: Steel prices fluctuate, impacting the overall cost of CSP.
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Coating and Lining: Additional coatings, such as polymer or asphalt lining, increase the cost.
Transportation: Shipping large-diameter pipes can be expensive due to their size and weight.
Custom Sizes: Non-standard sizes or lengths may result in higher costs due to special manufacturing processes.
Choosing the Right Corrugated Steel Pipe
When selecting a corrugated steel pipe for your project, consider the following:
Load Requirements: Determine the weight and pressure the pipe will need to withstand.
Environmental Conditions: Consider the potential for corrosion, abrasion, and exposure to chemicals.
Hydraulic Needs: Choose a size and lining that provide the necessary flow capacity.
Budget: Balance the specifications with your project budget to find the best solution.
Conclusion
Corrugated steel pipes are versatile and durable solutions for many infrastructure projects. Understanding the various sizes, specifications, and pricing will help you make an informed decision for your next project. Whether you need a small diameter pipe for drainage or a large diameter pipe for a culvert, there is a CSP option that meets your requirements. Always consult with a trusted supplier to ensure you choose the right corrugated steel pipe for your specific needs.
In the application of metal corrugated pipe, the conditions given by the system (the whole machine) or subsystems (components) are the main basis for the design and selection of the bellows. Generally given design conditions have the following items:
(1) Maximum space size or diameter
(2) The nature and size of the working load
(3) Work displacement
(4) Operating temperature range
(5) The nature of the working medium
(6) Precision requirements
(7) Service life
The main content of metal corrugated pipe design and selection is: according to the known conditions given by the system to select the material of the bellows, structural penalty, geometric size parameters and performance parameters. In the selection process, the system's requirements for the use of bellows should be fully satisfied, and the structure should be advanced and reasonable. It is best to optimize the design when possible. Practice has proved that the design and selection of the bellows is very important. If the design and selection are unreasonable, the quality of the bellows manufacturing will not meet the requirements of use, no matter how high.
1. Material selection
According to the purpose of the metal corrugated pipe, the type and size of the load, the accuracy requirements, the working medium, the working temperature and the service life and other known conditions, and the forming of the material and the welding processability are considered. Choose a suitable material. The choice of materials must also consider their market sources.
2. Determine the structure type
Choose the corrugated shape
Choose a more reasonable corrugated shape according to factors such as the purpose, performance, use requirements of the corrugated pipe, and the performance and manufacturing characteristics of various waveforms. In general, U-shaped corrugations are mostly selected.
Determine the number of bellows layers
Determine the number of layers of the bellows according to factors such as the purpose of the bellows, working pressure, stiffness, and working medium. In the case of high working pressure, the multi-layer structure of the corrugated pipe is generally selected. For the multi-layer corrugated pipe, the number of layers and the single-layer wall thickness should be selected reasonably.
Preliminarily assess whether to combine with other elastic elements
In some cases, the bellows and the coil spring are used in parallel. These cases are: In order to improve the measurement accuracy; the working pressure is relatively high; the impact load.
Select the structure type of the two ends of the bellows
To select the structure type of the two ends of the bellows, it is necessary to consider the forming process of the two ends structure, the welding process and the structural restrictions of the entire system.
Consider whether a guiding device is needed
When the effective length of the bellows is relatively long, in order to avoid columnar instability during the working process, a guide device should be considered. For example, bellows for valves are generally equipped with guiding devices.
Consider whether to use reinforced ring
In order to meet the requirements of higher working pressure, the bellows can be reinforced with a reinforcing ring, or a multi-layer structure can be used, or a combination of these two structures can be used. The strengthening ring is partially strengthened, and the multi-layer structure is integrally strengthened.
3. Design calculation and selection of structural parameters of metal corrugated pipe
The performance of the bellows depends on the structure of the bellows. The main structural parameters of the bellows include inner diameter, outer diameter, wall thickness, wave distance, wave thickness, number of corrugations, number of layers, the size of the matching parts at both ends, effective length, total length, etc. . In general, users of bellows should choose bellows from the relevant standards and product samples of the manufacturer, rather than designing new products. This can minimize the problems in development, while reducing manufacturing costs and shortening the manufacturing cycle.
4. Design and calculate the performance parameters of metal corrugated pipe
After the main structural size parameters of the bellows are initially determined by design calculation or selection, the performance parameters of the bellows are designed and calculated. If the performance parameters of the bellows cannot meet the technical requirements, the geometric size parameters of the bellows should be appropriately modified. Different uses of bellows have different technical requirements. Corresponding design methods should be formulated according to different requirements during design. The bellows used for measurement usually mainly require stiffness, strength and elasticity. Although a variety of bellows with different geometric shapes and size parameters can meet the same rigidity requirements, the stress values generated in these bellows are different. Those solutions that can not only meet the rigidity requirements, but also produce the least stress during work are the most reasonable. The reduction of stress not only improves the safety factor, but also reduces the influence of material elasticity on hysteresis, aftereffect, fatigue, etc., thereby improving the accuracy and working reliability of the corrugated pipe China.
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