Steel sheet piles (including U, Z, and Omega/Hat types) consist of structural steel components driven into the ground to create continuous, erosion-resistant retaining walls for excavation works, cofferdams, and breakwater construction. These three primary types differ in geometry, interlock location, and structural performance, which determines their suitability for specific construction scenarios.
Types of Our Steel Sheet Piles
We offer a comprehensive range of U-Type, Z-Type, and Omega (Hat-Type) steel sheet piles to meet diverse engineering needs. Leveraging our fabrication expertise, we provide tailored, high-strength solutions based on your specific soil conditions and excavation depths, ensuring the best balance between structural safety and cost-efficiency.
U-Type Steel Sheet Piles
Shape Overview:Cross-section resembles a 'U' or trough; symmetrical, integral locks.
Best Applications:Temporary excavations, cofferdams, and permanent retaining walls.
Interlock & Strength:Standard interlock placement; robust section moduli for varied depths.
Z-Type Steel Sheet Piles
Shape Overview:Horizontally stretched 'Z' shape; provides an excellent strength-to-weight ratio.
Best Applications:Large-span excavations, dock construction, and heavy-duty retaining structures.
Interlock & Strength:Interlocks are at the maximum distance from the neutral axis, ensuring excellent shear transmission.
Omega / Hat-Type Steel Sheet Piles
Shape Overview:Resembles the Greek letter Ω or a hat shape.
Best Applications:Drainage ditches, landscaping, and private home or golf course retaining walls.
Interlock & Strength:Located at the outermost edges; highly rigid but lighter gauge, ideal for long driving lengths.
❓ Worried about choosing the wrong pile type causing collapse? 👉 Contact us for free expert selection and structural calculation.
Specification of Steel Sheet Piles
| Item | Description |
| Product Name | Steel Sheet Pile (Hot-Rolled / Cold-Formed) |
| Profile Types | U-Type, Z-Type, Omega/Hat-Type |
| Standards | JIS A5523, JIS A5528, EN 10248, ASTM A690 |
| Material / Steel Grade | SY295, SY390, S355GP, Gr.50, Q355B |
| Size Range | Width: 400 - 750mm; Height: 100 - 450mm |
| Wall Thickness | 8.0mm - 18.0mm (Customizable) |
| Core Parameters | Section Modulus: 500 - 5000 cm³/m |
| Application | Cofferdams, Retaining Walls, Flood Control, Docks |
| Surface Treatment | Bare (Mill Finish), Coal Tar Epoxy Paint, HDG |
| Processing Service | Cutting, Joint Welding, Interlock Sealing, Clutching |
| Inspection | Ultrasonic (UT), Mill Test Certificate (EN 10204 3.1) |
| Delivery Time | 15 - 30 Days (Depends on customization) |
Chemical Composition & Mechanical Property of Steel Sheet Piles
|
Standard: GB/T 20933:2021 |
|||||||||
|
Grade |
Chemical Composition % |
CEV |
|||||||
|
C |
Si |
Mn |
P |
S |
V |
Nb |
Ti |
||
|
not exceed |
|||||||||
|
Q295P |
0.20 |
0.50 |
1.50 |
0.035 |
0.035 |
0.15 |
0.06 |
0.05 |
0.45 |
|
Q355P |
0.20 |
0.50 |
1.70 |
0.035 |
0.035 |
0.15 |
0.06 |
0.05 |
0.45 |
|
Q390P |
0.20 |
0.50 |
1.70 |
0.035 |
0.035 |
0.20 |
0.06 |
0.05 |
0.45 |
|
Q420P |
0.20 |
0.50 |
1.70 |
0.035 |
0.035 |
0.20 |
0.06 |
0.05 |
0.45 |
|
Q460P |
0.20 |
0.60 |
1.80 |
0.03 |
0.03 |
0.20 |
0.11 |
0.05 |
0.47 |
|
Remark:CEV=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 |
|||||||||
|
Mechanical Property |
|||||||||
|
Grade |
Yield Strength (ReH) |
Tensile Strength(Rm) |
Elongation A (%) |
||||||
|
Q295P |
≥295 |
≥390 |
≥23 |
||||||
|
Q355P |
≥355 |
≥480 |
≥22 |
||||||
|
Q390P |
≥390 |
≥490 |
≥20 |
||||||
|
Q420P |
≥420 |
≥520 |
≥19 |
||||||
|
Q460P |
≥460 |
≥550 |
≥17 |
||||||
|
Standard: EN 10248 :2024 |
|||||||||
|
Grade |
Chemical Composition % |
CEV |
|||||||
|
C |
Si |
Mn |
P |
S |
N |
Cu |
Others |
||
|
not exceed |
|||||||||
|
S240GP |
0.19 |
- |
1.50 |
0.050 |
0.050 |
0.014 |
0.60 |
- |
0.38 |
|
S270GP |
0.20 |
- |
1.60 |
0.050 |
0.050 |
0.014 |
0.60 |
- |
0.43 |
|
S320GP |
0.22 |
0.60 |
1.70 |
0.045 |
0.045 |
0.014 |
0.60 |
- |
0.50 |
|
S355GP |
0.22 |
0.60 |
1.70 |
0.045 |
0.045 |
0.014 |
0.60 |
- |
0.50 |
|
S390GP |
0.22 |
0.60 |
1.80 |
0.045 |
0.045 |
0.014 |
0.60 |
- |
0.52 |
|
S430GP |
0.22 |
0.60 |
1.80 |
0.045 |
0.045 |
0.014 |
0.60 |
- |
0.52 |
|
S460GP |
0.22 |
0.60 |
1.80 |
0.045 |
0.045 |
0.014 |
0.60 |
- |
0.52 |
|
S500GP |
0.22 |
0.60 |
1.80 |
0.045 |
0.045 |
0.014 |
0.60 |
- |
0.52 |
|
Mechanical Property |
|||||||||
|
Grade |
Yield Strength (ReH) |
Tensile Strength(Rm) |
Elongation A (%) |
||||||
|
S240GP |
240 |
340 |
26 |
||||||
|
S270GP |
270 |
410 |
24 |
||||||
|
S320GP |
320 |
440 |
23 |
||||||
|
S355GP |
355 |
480 |
22 |
||||||
|
S390GP |
390 |
490 |
20 |
||||||
|
S430GP |
430 |
510 |
19 |
||||||
|
S460GP |
460 |
530 |
17 |
||||||
|
S500GP |
500 |
580 |
15 |
||||||
|
Standard: JIS A 5523/JIS A 5528 |
|||||||||
|
Grade |
Chemical Composition % |
CEV |
|||||||
|
C |
Si |
Mn |
P |
S |
N |
Cu |
Others |
||
|
not exceed |
|||||||||
|
JIS A 5528 SY295 |
- |
- |
- |
0.040 |
0.040 |
- |
- |
- |
- |
|
JIS A 5528 SY390 |
- |
- |
- |
0.040 |
0.040 |
- |
- |
- |
- |
|
JIS A 5523 SYW295 |
0.18 |
0.55 |
1.50 |
0.040 |
0.040 |
0.006 |
- |
- |
- |
|
JIS A 5523 SYW390 |
0.18 |
0.55 |
1.50 |
0.040 |
0.040 |
0.006 |
- |
- |
- |
|
JIS A 5523 SYW430 |
0.18 |
0.55 |
1.50 |
0.040 |
0.040 |
0.006 |
- |
- |
- |
Note:Values shown are for reference. Actual values vary by thickness according to standard specifics.
Manufacturing Methods of Our Steel Sheet Piles
We utilize two primary international manufacturing processes to meet the diverse needs of global infrastructure projects, ranging from maritime docks to land-based shoring. By strictly controlling production temperatures and rolling precision, we ensure every sheet pile delivers superior flexural strength and interlock reliability.
Hot-Rolled Steel Sheet Piles
Process：Formed through continuous rolling at temperatures exceeding 1200°C. This process results in a dense steel structure and exceptionally precise, tight interlocks.
Engineering Advantage：Offers exceptional watertightness and impact toughness. The tighter interlocks are ideal for hard-driving soil conditions and effectively prevent water seepage, making it the premier choice for deep foundations and permanent maritime structures.
Cold-Formed / Cold-Rolled Steel Sheet Piles
Process：
Manufactured at ambient temperatures through a continuous roll-forming process, typically using high-quality hot-rolled steel coils. This method allows for wider profiles and larger spans.
Engineering Advantage:Provides high dimensional flexibility and a significant cost-effective edge. Its superior strength-to-weight ratio makes it highly economical for lighter shoring, river restoration, landscaping walls, and land-based temporary projects.
Note:The choice between Hot-Rolled and Cold-Formed piles depends on your project's specific water-head pressure and driving environment. For permanent marine works, we recommend the unmatched sealing of Hot-Rolled; for budget-sensitive land projects, our Cold-Formed solutions offer the best ROI.
💧 Want to save budget but worry about water seepage? 🔒 Contact us for cost-effective and high-performance interlock sealing solutions.
Core Advantages of Steel Sheet Piles
High Strength & Longevity
Manufactured from high-strength specialty steel grades, these sections deliver exceptional load-bearing and bending capacity. Under normal operating conditions, sheet piles offer a design service life ranging from 20 to 50 years.
01
High Recyclability & Low Cost
With a recovery rate exceeding 90%, sheet piling provides substantial cost benefits. Compared to single-use concrete shoring, reusable steel sheets (typically reused 3 to 5 times) can drastically reduce overall project costs by 50% to 70%.
02
Superior Watertightness
Steel sheet piles feature ±2mm high-precision interlocks, achieving a permeability coefficient of 10⁻⁹ cm/s with joint sealants. Withstanding 10–20m hydraulic heads, this robust cutoff ensures ensures piping-free dry excavation in deep water and complex strata.
03
Efficient & Compact
Steel sheet piles reduce earthwork excavation by up to 70% and eliminate the 28-day concrete curing time, speeding up construction by over 10%. Hydraulic driving shrinks the required right-of-way by 40%–60%, perfect for tight jobsites.
04
Seismic & Flood Resilience
High-ductility steel sheet piles absorb massive dynamic energy, withstanding magnitude 7.0–8.0 earthquakes and 1.2–1.5x design load flood impacts. The system adapts to geological settlement, enabling rapid deployment within hours for emergency defense.
05
💰 Tight budget and running out of project time? ⚡ Inquire now for high-reusability piles and 15-day fast delivery.
Main Applications of Steel Sheet Piles
Temporary Shoring Structures: Sheet piles are standard for earth retention and water cutoff in deep foundation excavations, major underground pipeline installations, and trenching works.
Hydraulic & Flood Control Engineering: Used as cofferdam structures for bridge pier construction, seepage mitigation in high groundwater areas, and riverbank revetments or breakwaters.
Port & Marine Engineering: Widely utilized in constructing quays, jetty retaining walls, dry docks, diversion dikes, and breakwaters.
Permanent Structures: Specially treated with anti-corrosion coatings, sheet piles serve as long-term retaining walls, waterfront revetments, and permanent outer walls for underground parking structures.
Dimensions & Weights of Our Steel Sheet Piles
Below are our standard specifications. As a factory-direct manufacturer, we offer a wider range of profiles beyond this list and provide full customization services to meet your specific project requirements.
Hot Rolled U-Type Steel Sheet Piles
| Standard & Series |
Specification |
Width w (mm) |
Height h (mm) |
Thickness t (mm) |
Weight (kg/m) |
Weight (kg/m2) |
Section Modulus (cm³/m) | Moment of Inertia (cm4/m) |
|---|---|---|---|---|---|---|---|---|
| JIS / GB Standard (Larssen Series) |
SP-II (U2) | 400 | 100 | 10.5 | 48.0 | 120.0 | 874 | 8,600 |
| SP-III (U3) | 400 | 125 | 13.0 | 60.0 | 150.0 | 1,340 | 16,800 | |
| SP-IV (U4) | 400 | 170 | 15.5 | 76.1 | 190.3 | 2,270 | 38,600 | |
| EN 10248 Standard (Wide & High Efficiency) |
GU 16-400 | 400 | 290 | 10.5 | 60.0 | 150.0 | 1,600 | 30,400 |
| GU 16-600 | 600 | 430 | 10.2 | 76.3 | 127.2 | 1,600 | 34,400 | |
| GU 22-600 | 600 | 450 | 12.1 | 86.1 | 143.5 | 2,200 | 49,460 | |
| GU 15-750 | 750 | 408 | 10.0 | 79.5 | 106.0 | 1,515 | 30,900 | |
| GU 20-750 | 750 | 435 | 12.0 | 97.4 | 129.9 | 2,000 | 43,510 |
Cold Formed U & Omega Type Steel Sheet Piles
| Specification |
Equivalent Type |
Width w (mm) |
Height h (mm) |
Thickness t (mm) |
Weight (kg/m) |
Weight (kg/m2) |
Section Modulus (cm³/m) | Steel Grade |
|---|---|---|---|---|---|---|---|---|
| CPU 600×180 | PAU 18-600 | 600 | 180 | 8.0 | 56.8 | 94.7 | 720 | S235JR / S355JO ASTM A572 Gr.50 |
| CPU 750×200 | PAL 20-750 | 750 | 200 | 10.0 | 78.5 | 104.7 | 1,150 | S235JR / S355JO ASTM A572 Gr.50 |
Note: 1.Dimensions may vary slightly according to manufacturing tolerance of EN 10248 standard.Available in S275GP, S355GP, SY295, SY390, ASTM A572 Gr.50.
2.We supply full range PU series hot rolled U sheet piles including PU6, PU10, PU12 and PU18, which are widely adopted in European and global foundation shoring projects.
Hot Rolled Z-Type Steel Sheet Piles
| Standard & Series |
Model / Specification |
Width b (mm) |
Height h (mm) |
Thickness t (mm) |
Weight (kg/m) |
Weight (kg/m2) |
Section Modulus (cm³/m) | Moment of Inertia (cm⁴/m) |
|---|---|---|---|---|---|---|---|---|
| EU / ASTM Standard (GZ 700 / SPZ Series) High Efficiency) |
GZ 12-700 | 700 | 300 | 8.5 | 71.0 | 101.4 | 1,200 | 18,600 |
| GZ 14-700 | 700 | 316 | 10.5 | 80.3 | 114.7 | 1,400 | 22,460 | |
| GZ 18-700 | 700 | 418 | 9.1 | 76.9 | 109.9 | 1,800 | 37,600 | |
| GZ 26-700 | 700 | 459 | 12.3 | 103.3 | 147.6 | 2,600 | 59,600 | |
| GZ 36-700 | 700 | 499 | 15.0 | 126.3 | 180.4 | 3,600 | 90,000 | |
| JIS / GB Standard (575mm Series) |
SYZ 18 | 575 | 400 | 9.5 | 64.6 | 112.3 | 1,800 | 36,000 |
| SYZ 21 | 580 | 420 | 12.0 | 81.3 | 140.2 | 2,100 | 44,100 |
Cold Formed Z-Type Steel Sheet Piles
| Specification |
Equivalent Type |
Width b (mm) |
Height h (mm) |
Thickness t (mm) |
Weight (kg/m) |
Weight (kg/m2) |
Section Modulus (cm³/m) | Steel Grade |
|---|---|---|---|---|---|---|---|---|
| CPZ 12-770 | PAZ 12-770 | 770 | 340 | 8.0 | 73.5 | 95.5 | 1,210 | S275GP / S355GP ASTM A572 Gr.50 |
| CPZ 17-700 | PAZ 17-700 | 700 | 420 | 8.5 | 73.1 | 104.4 | 1,700 | S275GP / S355GP ASTM A572 Gr.50 |
| CPZ 21-800 | PAZ 21-800 | 800 | 450 | 10.0 | 92.4 | 115.5 | 2,100 | S355GP / S390GP ASTM A572 Gr.60 |
Note:All weights are theoretical based on standard density. Actual weights may vary within the ±3% to ±7% mass tolerance specified by EN 10248 or JIS standards.
Omega Type Steel Sheet Piles
| Model |
Equivalent Type |
Width w (mm) |
Height h (mm) |
Thickness t (mm) |
Weight (kg/m) |
Weight (kg/m2) |
Section Modulus (cm³/m) | Moment of Inertia (cm⁴/m) | Steel Grade |
|---|---|---|---|---|---|---|---|---|---|
| GWO 4-600 | OMEGA 4-600 | 600 | 180 | 4.0 | 28.5 | 47.5 | 420 | 3,800 | S235JRC / Q235B |
| GWO 6-600 | OMEGA 6-600 | 600 | 210 | 6.0 | 42.6 | 71.0 | 650 | 6,800 | S275JRC / Q355B |
| GWO 8-600 | OMEGA 8-600 | 600 | 225 | 8.0 | 56.8 | 94.7 | 880 | 10,200 | S355G1B / Gr.50 |
| GWO 10-750 | OMEGA 10-750 | 750 | 250 | 10.0 | 82.4 | 109.9 | 1,250 | 15,600 | S355G1B / Gr.50 |
| GWO 12-900 | OMEGA 12-900 | 900 | 300 | 12.0 | 110.5 | 122.8 | 1,850 | 28,000 | S355G1B / Gr.50 |
Note:
Available Material Grades: Our sheet piles are available in a variety of international steel grades, including SY295, SY390 (JIS), Q355B (GB), and S355GP, S430GP (EN 10248) to suit different soil conditions and project requirements.
Custom Lengths: We provide tailored cutting services; standard lengths range from 6m to 18m, with customized lengths available upon request.
Anti-Corrosion Coating: Optional surface treatments include Bare (Mill Finish), Coal Tar Epoxy Paint, or Hot-Dip Galvanization.
Certified Quality: Our products are fully compliant with international standards (EN 10248, JIS A 5523, ASTM) and are backed by MTC 3.1 and optional third-party inspections (SGS/BV).
📐 Standard sizes don't match your project drawings? 🛠️ Reach out now to customize non-standard thickness, lengths, and coatings.
Manufacturing Process of Our Hot-Rolled Steel Sheet Piles
Our hot-rolled steel sheet piles are continuously formed through multi-stage mills at temperatures exceeding 1200°C, ensuring dense internal metallurgy and monolithic structural integrity.
Step 1: Homogeneous Reheating
Steel blooms are heated to 1250°C to ensure optimal steel plasticity. Precise temperature control is essential for forming high-precision interlock profiles without internal stress.
Step 2: Integrated Multi-Stage Rolling
Passing through a continuous rolling mill, the pile is shaped as a single piece. This ensures monolithic structural integrity and superior mechanical properties compared to cold-formed sections.
Step 3: Precision Sawing & Straightening
Piles are cut to length by high-speed hot saws and then undergo roller straightening. This eliminates thermal deformation, ensuring a perfectly straight profile for smooth driving on-site.
Step 4: Quality Control & Traceability
We conduct 100% interlock compatibility testing using templates. Every shipment is issued a Mill Test Certificate (EN 10204 3.1) for full material traceability.
Why Choose Us?
Comprehensive Product Range
We provide a "one-stop" solution for all piling needs, including Hot Rolled Larssen U-piles, High-Efficiency Z-piles, and Cost-effective Cold Formed Omega/Hat piles. Whether your project requires extreme water-tightness or large-area efficiency, we have the right profile to match your design.
Engineering & Technical Support
Our expertise goes beyond simple supply. We assist engineers in optimizing section modulus and inertia requirements, helping you select the most cost-effective steel grades (S355GP, SY390, or ASTM Gr.50) without compromising structural safety.
Bespoke Customization & Fabrication
Standard lengths don't always fit. We specializes in ultra-long piles (up to 35m), fabricated corner/junction piles, and professional surface treatments such as SA 2.5 Shot-blasting, Glass Flake Epoxy coating (ISO 12944), or Hot-dip Galvanizing to ensure a 50+ year design life in marine environments.
Rigorous Quality Assurance
Quality is our lifeline. Every shipment undergoes strict dimensional and ultrasonic testing. We provide full MTC (Mill Test Certificates) to EN 10204 3.1 and welcome third-party inspections by SGS, BV, or TUV to ensure 100% compliance with international standards.
Packing & Delivery of Steel Sheet Piles
📦 Packaging
Bundle Composition: Sheet piles are typically supplied in bare bundles, securely strapped with high-tensile steel bands or wire rods.
Customized Packaging: For ocean freight or long-distance transit, we provide anti-rust packaging, waterproof paper wrapping, and plastic caps over the interlocks.
Pairing: Sections can be shipped individually or pre-interlocked/crimped in pairs to optimize jobsite storage space and minimize installation time.
🚚 Delivery
Mode of Transport: Depending on the transit distance to the project site, delivery is managed via breakbulk vessels, flatbed trucks, rail, or ocean freight (FCL/LCL).
Lead Time: Standard manufacturing and delivery lead time ranges from 10 to 30 days, depending on the required tonnage and steel grade.
FAQ:
What is a steel sheet pile?
Steel sheet piles are structural sections with an interlocking system that create a continuous wall. The walls are often used to retain soil and/or water. The ability of a sheet pile section to perform is dependent upon its geometry and the soils it is driven into.
What is the difference between U-type and Z-type sheet piles?
Z-type sheet piles provide extra strength for deep foundations, retaining walls, and flood protection, ensuring long-term stability, while U-type sheet piles are ideal for general marine and waterfront applications.
What are the different types of steel piles?
There are four main types of steel pile, including sheet pile, pipe pile, h-pile and wide flange beams.
How long do steel sheet piles last?
Sheet piles are designed to provide long-term strength and stability, and in most projects, properly installed steel sheet piles can last 40–75 years. With the right design, coatings, and protection, that lifespan can extend well beyond 100 years in permanent works such as flood defences or retaining walls.
How are sheet piles installed?
The most common methods of installing steel sheet pile walls include vibrating, impact driving, hydraulic pushing, jetting, and trenching.
