High-Strength Steel Sheet Pile for Civil & Marine Engineering
Our Steel Sheet Piles are engineered to provide exceptional structural support and water-tightness for deep foundations, maritime structures, and excavation projects. Available in both Hot Rolled and Cold Formed types, including U-profile, Z-profile, and L-profile configurations to meet diverse engineering needs.
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Standard: ASTM A328, A572, A690; EN 10248-1/2; JIS A 5523, JIS A 5528.
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Material Grades: S235JRC, S275JRC, S355J0C, S355GP, S390GP, S430GP, etc.
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Types: U-Type, Z-Type, Straight Web, Cold Formed, Hot Rolled.
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Key Features: High strength-to-weight ratio, excellent durability, easy installation, and 100% recyclability.
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Applications: Cofferdams, river embankments, retaining walls, wharf construction, and bridge foundations.
Description
1. Product Overview & Core Advantages
Steel Sheet Pile is a structural section with an interlocking system that creates a continuous wall to retain soil or exclude water. It is an indispensable material in modern civil and marine engineering. Our sheet piles are designed to handle complex stresses while maintaining watertight integrity.
Key Advantages:
- High Efficiency: Simple construction, shortened project duration, and significantly reduced space requirements.
- Superior Durability: Excellent corrosion resistance, especially with specialized coatings for marine environments.
- Cost-Effective: Simple maintenance and high recyclability (environmentally friendly).
- Structural Integrity: Excellent bending stiffness and section modulus to resist high lateral pressures.
2. Standard Specifications & Material Grades
We supply steel sheet piles in strict accordance with major international standards to ensure structural safety and reliability.
| Standard Specification | Steel Grades |
|---|---|
| ASTM (USA) | ASTM A328, A572 (Gr. 42, 50, 55, 60, 65), A690. |
| EN (European) | EN 10248-1/2, EN 10249-1/2. Grades: S235JRC, S275JRC, S355J0C, S355GP, S390GP, S430GP. |
| JIS (Japan) | JIS A 5523 (SYW 295, SYW 390), JIS A 5528 (SY 295, SY 390). |
| GB (China) | GB/T 20933, GB/T 1591, GB/T 700. Grades: Q235B, Q345B, Q355B, Q390B, Q420B. |
3. Product Classification & Dimensions
Our steel sheet piles are categorized into several types based on their manufacturing process and cross-sectional shape.
Forming Processes:
- Cold Formed Steel Sheet Pile: Formed by continuous bending of steel strip at ambient temperature. Offers flexibility in custom lengths and sizes.
- Hot Rolled Steel Sheet Pile: Manufactured by rolling high-temperature steel billets. Known for superior interlock strength and structural density.
Section Profiles (U and Z Examples):
| Section Type | Width (mm) | Height (mm) | Thickness (mm) | Weight (kg/m) | Section Modulus (cm³/m) |
|---|---|---|---|---|---|
| Larssen II | 400 | 105 | 10.5 | 48.0 | 874 |
| Larssen III | 400 | 125 | 13.0 | 60.0 | 1340 |
| Larssen IV | 400 | 170 | 15.5 | 76.1 | 2270 |
| PU 12 | 600 | 360 | 9.8 | 66.1 | 1200 |
| PU 18 | 600 | 430 | 10.2 | 76.9 | 1800 |
* Note: Full technical parameter lists for U, Z, and L types are available upon request.
4. Manufacturing Process
Our manufacturing workflow integrates high-precision rolling and forming technologies to ensure consistent mechanical properties and perfectly aligned interlocks.
Schematic diagram of the sheet pile production and classification.
5. Applications
Due to their versatility and strength, steel sheet piles are widely used in various infrastructure sectors:
- Flood Control: Building river walls, flood protection levees, and embankments.
- Marine Construction: Wharf construction, dock renovation, and breakwaters.
- Infrastructure: Excavation support for underground tunnels, subways, and bridge piers.
- Temporary Works: Secure cofferdams for underwater bridge foundation construction.
6. Packing & Delivery
To ensure safe transportation and prevent interlock damage, our sheet piles are securely packed in bundles using steel strapping and lifted using specialized nylon or steel slings. Protective coatings are applied according to marine exposure classes where specified.