Steel Sheet Piles – The Core Material for Foundation Engineering & Permanent Structures
We offer a full range of hot-rolled and cold-formed steel sheet piles, covering cross-sectional forms such as U-shaped, Z-shaped, straight-web, and composite piles. Steel sheet piles are interlocking steel materials that connect to form continuous, tight retaining or water-retaining walls, offering significant advantages such as rapid construction, excellent water-stopping performance, reusability, and strong seismic resistance. Our products are widely used in permanent wharf revetments, temporary foundation pit support, cofferdam projects, river management, environmental barrier walls, and underground parking lots. We manufacture strictly according to international standards and support customized sizes, interlocking optimization, and advanced processing services.
- Product Range, Sections & Standards Steel sheet piles are mainly divided into two categories according to their manufacturing process: hot-rolled steel sheet piles and cold-formed steel sheet piles.
Hot Rolled Sheet Piles Hot-rolled steel sheet piles are produced through a hot rolling process using welding. This advanced technology results in a tight interlocking joint and excellent water-stopping performance.
U-Shaped Sheet Piles U-shaped sheet piles are the most common and widely used cross-sectional shape of steel sheet piles, possessing good section modulus and water-stopping performance.
Standards:
EN 10248: European Standard for Hot-Rolled Steel Sheet Piles
JIS A 5523 / A 5528: Japanese Industrial Standard
ASTM A572 / A690: American Society for Testing and Materials (ASTM) Standard
Main Materials/Grades:
EN: S240GP, S270GP, S320GP, S355GP, S390GP, S430GP, S460GP, S500GP
JIS: SY295, SY390 (JIS A 5528); SYW295, SYW390 (JIS A 5523)
ASTM: ASTM A572 Gr.50/Gr.55/Gr.60/Gr.65; ASTM A690 Gr.50
GB : Q390P, SY390
Length range: Standard 6-24 meters, customizable up to 33 meters and above, with single piles reaching over 80 meters.
Z-Shaped Sheet Piles: Z-shaped sections have a larger modulus, suitable for deeper, higher-stress retaining structures, such as deep-water wharves and docks.
Main Materials / Grades:
EN: S355GP, S390GP, S430GP, S460GP
ASTM: ASTM A572 Gr.50-65
GB: Q355B, Q390, Q420
Size Range:
Width: Typically 600-820mm, up to 750mm and above
Height: 300-500mm
Thickness: 6-25mm
Length: Customizable, up to 33 meters and above
Special Products:
Low-Temperature Resistant Z-Type Sheet Piles: Z-shaped sheet piles developed and produced by Jinxi Steel can withstand -30℃ low-temperature impacts, used in major energy projects in North America, filling a gap in the Asian market.
Large-Size Z-Type Piles: 820mm wide Z-shaped S430 grade sheet piles for special applications.
Cold Formed Sheet Piles Cold-formed sheet piles are produced from hot-rolled steel coils through continuous cold bending deformation. The cross-sectional shape can be flexibly adjusted, making them suitable for small to medium-sized projects and temporary support.
Standards:
EN 10249: European Standard for Cold-Formed Sheet Piles
Main Materials:
EN: S235JRC, S275JRC, S355J0C
GB: Q235B, Q345B
Size Range:
Cross-section: U-shaped, Z-shaped, straight-web, trench sheets
Length: Standard 6m, 9m, 12m, 15m, maximum up to 24m
Thickness: Customized according to design requirements
- Steel Grade Properties
| Grade | Yield strength (MPa) | Tensile strength (MPa) | Elongation(%) | Impact (KV2/J) |
Test temperature (℃) |
| S 240 GP | ≥240 | ≥340 | ≥26 | ≥27 | 20 |
| S 270 GP | ≥270 | ≥410 | ≥24 | ≥27 | 20 |
| S 320 GP | ≥320 | ≥440 | ≥23 | ≥27 | 20 |
| S 355 GP | ≥355 | ≥480 | ≥22 | ≥27 | 0 |
| S 390 GP | ≥390 | ≥490 | ≥20 | ≥27 | 0 |
| S 430 GP | ≥430 | ≥510 | ≥19 | ≥27 | 0 |
| S 460 GP | ≥460 | ≥530 | ≥17 | ≥27 | 0 |
| S 500 GP | ≥500 | ≥580 | ≥15 | ≥27 | 0 |
| Mechanical properties of JIS standard steel sheet piles (JIS A 5528) | ||||
| Grade | Yield strength (MPa) | Tensile strength (MPa) | Elongation(%) | (CEV) |
| SY295 | ≥295 | ≥490 | ≥17 | – |
| SY390 | ≥390 | ≥540 | ≥15 | ≤0.44 |
- Key Differentiators
✔ Precise Locking Design for Superior Water-Stopping Performance
The locking mechanism of sheet piles is both challenging and crucial. We employ advanced roll design and precision rolling processes to ensure a tight, seamless interlocking of the locking mechanism. On the cross-section of our superior products, the locking mechanism resembles two bent fingers interlocked, ensuring an impermeable water-stopping structure.
By optimizing the shape and dimensional tolerances of the locking mechanism, the interlocking of hot-rolled sheet piles achieves superior water-tightness compared to ordinary products.
✔ Full-Scene Material Coverage, Adaptable to Complex Working Conditions
Customized material solutions are provided based on application scenarios:
General building foundation pits: S270GP/SY295/Q390P, high cost-effectiveness
Deep-water wharves/permanent structures: S430GP/S460GP/SY390, high strength and corrosion resistance
Marine environments: AMLoCor® Blue series weathering steel, with added Cr and Cu elements, excellent corrosion resistance
Cold region engineering: Low-temperature resistant steel series, capable of withstanding -30℃ low-temperature impact
Hot-dip galvanizing requirements: We can provide steel with special chemical compositions conforming to EN 10248 standards to ensure galvanizing quality
✔ One-stop solution, full support from design to construction
From material selection, structural design, construction plans to on-site guidance, we are committed to providing excellent service at every stage.
- Quality Assurance
1) We have established a complete quality control system from raw materials to finished product delivery to ensure that every sheet pile meets international standards.
Full-Process Testing System
Raw Material Inspection: 100% spectral analysis of the chemical composition of steel billets is performed to ensure that elements such as C, Si, Mn, P, S, and N meet standards.
Carbon Equivalent Control: Strict control of CEV value ensures weldability and mechanical properties.
Process Control: Heating temperature, rolling force, and cooling rate are monitored throughout the process.
Dimensional Accuracy Control: Width, height, thickness, and interlocking dimensions are strictly controlled according to standards.
Mechanical Property Testing: Tensile, bending, and impact tests are conducted batch by batch to ensure that yield strength, tensile strength, elongation, and impact energy meet standards. JIS SY295 requires yield strength ≥295MPa, tensile strength ≥490MPa, and elongation ≥17%; SY390 requires yield strength ≥390MPa, tensile strength ≥540MPa, and elongation ≥15%.
2) Interlocking Inspection: 100% inspection of interlocking dimensions and interlocking tightness is performed to ensure smooth interlocking during on-site construction, without jamming or leakage risks.
3) International Certifications
ISO 9001:2015 Quality Management System
ISO 14001 Environmental Management System
ISO 18001 Occupational Health and Safety Management System
CE Certification (EN 10248, EN 10249)
FPC Factory Production Control Certification
EN 10204 3.1/3.2 Material Certificates Available
4) Digital Traceability System
Each sheet pile is equipped with a unique furnace batch number and production batch number, traceable to the source of raw materials, rolling process parameters, and quality inspection records, ensuring that quality issues are traceable and manageable.
- After-Sales & Technical Support
1) 100% After-Sales Quality Guarantee. We promise a 100% after-sales guarantee for product quality and quantity.
2) Professional Technical Support
Material Selection Consultation: Our professional engineering team can assist clients in recommending the most suitable cross-section model and material based on the foundation pit depth, geological conditions, water level, load requirements, and service life.
Structural Design Support: We can provide calculations of the section modulus of steel sheet pile walls, suggestions on the embedment depth, and overall stability analysis.
Construction Scheme Guidance: We provide technical support such as piling equipment selection, piling sequence suggestions, and waler support schemes.
Interlock Treatment Suggestions: We provide guidance on interlock lubrication and sealing processes to ensure water-stopping effects.
3) Logistics and Transportation Guarantee
Multiple Transportation Modes: Container shipping, bulk carrier shipping, rail shipping, and road shipping are all available.
Extra-Long Item Transportation: For extra-long steel sheet piles, we provide special vehicle transportation solutions and professional shipping services.
Export Packaging: Securely bundled, suitable for long-distance sea freight.
Transportation Coordination: We track the status of goods throughout the entire process to ensure on-time delivery.
- OEM Customization Services
✔ Custom Sizes
Fit-to-Length Cutting: Cut to any length according to customer requirements, standard 6-24 meters, with support for over 33 meters of extra-long customization.
Non-Standard Specifications: Support for special widths, heights, and thicknesses.
Length Customization Capability: Single piece up to 80 meters or more.
✔ Material Customization
Custom materials for different application scenarios:
High-Strength Applications: S460GP/S500GP, meeting the high load-bearing requirements of deep-water docks, shipyards, etc.
Corrosion-Resistant Environments: AMLoCor® Blue series weathering steel or ASTM A690
Low-Temperature Environments: Custom low-temperature resistant steel, capable of withstanding -30℃ impact
Zincing Requirements: Chemical composition suitable for hot-dip galvanizing can be customized according to EN 10248 requirements.
✔ Locking Customization
Lock Types: Larssen locks, cold-bent locks, hot-rolled locks, and other lock types are available.
Lock Optimization: Lock dimensions and tolerances can be optimized according to geological conditions and waterproofing requirements.
✔ Deep Processing Services / Value-Added Processing
* **Cutting/Drilling:** Precision cutting, supporting beveling and bolt hole drilling.
* **Welding:** End reinforcement welding, composite pile welding, accessory welding.
* **Bending and Forming:** Cold bending of irregular sections.
* **Surface Treatment:** Painting, sandblasting, oiling, hot-dip galvanizing (please inform us in advance for customized chemical composition).
✔ **Packaging and Labeling Customization:**
* **Export Packaging:** Securely strapped, wrapped in waterproof cloth or palletized, suitable for sea freight.
* **End Protection:** Pipe end protectors to prevent damage during transport.
* **Customized Markings:** Labels affixed according to customer requirements (project name, furnace batch number, component number, QR code, etc.).
✔ **OEM/ODM Services:**
* **OEM Branding:** Customized product labels, packaging, and warranty certificates can be provided according to customer requirements.
* **Minimum Order Quantity:** Standard minimum order quantity is 25 tons, negotiable.
* **Customization Based on Drawings:** Supports customization based on drawings, samples, and on-demand customization.
