Know more about the specifications and dimensions of steel sheet piles?
EN 10248 GU 16-400 GU 18-400 Steel Sheet Piles
Product Overview
With our U-shaped sheet piles, you can expect excellent interlock performance and efficient installation along with the high structural strength of our products in Q235B, Q355B, S240GP, S270GP,S320GP, S355GP, S390GP and S430GP. We provide factory direct pricing, custom cut lengths, and full project supply for construction projects around the world.
Product Detail
| Standard | GB/EN | Invoicing | By Actual Weight |
| Tolerance | None | Delivery Time | 7 ~ 15 days |
| Alloy Or Not | None | Grade | Q235B/Q355B/S240GP/S270GP/S320GP/S355GP/S390GP/S430GP |
| Processing Service | OEM | Place of Origin | Tinajin,China |
Steel Sheet Pile Chemical Composition
| Grade | C ≤ % | Si ≤ % | Mn ≤ % | P ≤ % | S ≤ % |
| S240GP | 0.27 | 0.6 | 1.6 | 0.055 | 0.055 |
| S270GP | 0.27 | 0.6 | 1.6 | 0.055 | 0.055 |
| S320GP | 0.27 | 0.6 | 1.6 | 0.055 | 0.055 |
| S355GP | 0.27 | 0.6 | 1.6 | 0.055 | 0.055 |
| S390GP | 0.27 | 0.6 | 1.6 | 0.055 | 0.055 |
| S430GP | 0.27 | 0.6 | 1.6 | 0.055 | 0.055 |
Steel Sheet Pile Mechanical Properties
| Steel Grade | Yield Strength, ReH | Tensile Strength, Rm | Elongation, A |
| S240GP | ≥ 240 MPa | ≥ 340 MPa | ≥ 26% |
| S270GP | ≥ 270 MPa | ≥ 410 MPa | ≥ 24% |
| S320GP | ≥ 320 MPa | ≥ 440 MPa | ≥ 23% |
| S355GP | ≥ 355 MPa | ≥ 480 MPa | ≥ 22% |
| S390GP | ≥ 390 MPa | ≥ 490 MPa | ≥ 20% |
| S430GP | ≥ 430 MPa | ≥ 510 MPa | ≥ 19% |
Steel Sheet Pile Size
| Section | Width | Height | Thickness | Sectional Area |
Mass | Section Modulus |
Moment of Inertia |
||
| b mm | h mm | t mm | s mm | cm2/m | Kg/m | kg/m | cm3/m | cm4/m | |
| GU Sections | |||||||||
| GU 32N | 600 | 452 | 19.5 | 11.0 | 242 | 114.1 | 190 | 3200 | 72320 |
| GU 33N | 600 | 452 | 20.5 | 11.4 | 251 | 118.4 | 197 | 3340 | 75410 |
| GU 16-400 | 400 | 290 | 12.7 | 9.4 | 197 | 62.0 | 155 | 1560 | 22580 |
| GU 18-400 | 400 | 292 | 15.0 | 9.7 | 221 | 69.3 | 173 | 1785 | 26090 |
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Steel Sheet Pile Locking and waterproof performance
Design: Interlocking Steel Sheet Pile, permeability ≤1×10⁻⁷ cm/s
Americas: Complies with ASTM D5887 Standard for a Liner To Minimize Seepage Beneath Drums.
Southeast Asia: Groundwater-seepage proof for tropical rainy seasons
Steel Sheet Pile Production process
1. Raw Material Heating
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The Process: Steel semi-finished products, usually heavy blooms or rectangular slabs, are loaded into a walking-beam reheating furnace.
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The Goal: The steel is uniformly heated to an optimal rolling temperature (typically between 1100°C and 1250°C) to maximize its malleability and ductility for shaping.
2. Rough Rolling & Breakdown
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The Process: The incandescent steel slab passes through a heavy breakdown mill or roughing stand (often a reversible rolling mill) multiple times.
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The Goal: The initial thick slab is progressively reduced in cross-section and elongated into a preliminary profile, often referred to as a "dog-bone" or beam-blank shape.
3. Universal Finishing Rolling
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The Process: The pre-shaped steel passes through a sophisticated universal rolling mill train equipped with both horizontal and vertical rollers that apply pressure simultaneously.
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The Goal: This is the critical stage where the final profile geometry—such as U-shape, Z-shape, or Flat/Straight web type—is formed with precise dimensional accuracy, including the highly critical, tight-tolerance interlocks on both edges.
4. Cooling and Straightening
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The Process: The continuous hot-rolled steel profile is sectioned by hot saws and transferred to a cooling bed. Once cooled to ambient temperature, the sections are processed through a multi-roller straightening machine.
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The Goal: Cooling stabilizes the micro-metallurgical structure, while the cold-straightening process eliminates any thermal warping, twisting, or bending to ensure perfectly straight profiles.
5. Cutting, Inspection & Finishing
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The Process: The straightened sheet piles are cold-sawed to exact customer-specified lengths. Quality control teams perform rigorous ultrasonic and dimensional testing, particularly on the interlock tolerances and surface quality.
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The Goal: To ensure seamless clutching performance during on-site driving. Optional post-processing—such as drilling lifting holes, applying anti-corrosion coatings, or injecting interlock sealants—is completed here prior to bundling and shipping.
Steel Sheet Pile Surface
Americas:HDG coating complies with ASTM A123 standard, with a minimum zinc coating thickness of ≥85 µm. 3PE coating is available as an optional protective system. All surface finishes are RoHS compliant, ensuring environmental safety and international export standards.
Southeast Asia: Hot-dip galvanizing (≥100 μm) combined with dual-layer epoxy coal tar coating provides over 5,000 hours salt spray resistance, suitable for tropical marine environments.
APPLICATION
Retaining Walls – Soil retention for roads, buildings, and infrastructure.
Cofferdams – Temporary water-tight barriers for construction in rivers and coastal areas.
Deep Excavation – Basement, subway, and foundation excavation support.
Flood Protection – Riverbanks, drainage channels, and flood-control projects.
Why Choose Royal Steel Group for Steel Sheet Piles
1.15 Years of Steel Export Experience – Serving contractors, distributors, and project buyers worldwide.
2.Project-Based Supply – Custom lengths, quantities, packaging, and shipping solutions.
3.Reliable Quality Control – Chemical, mechanical, dimensional, and interlock inspections before shipment.
4.Complete Documentation – MTC, inspection reports, and third-party inspection support.
5.Americas Logistics Support – FOB, CIF and DDP options for the USA, Mexico, Central America and South America.
PACKAGING AND SHIPPING
1. Standard Export Packing
Steel sheet piles are bundled with steel strips and reinforced to ensure safe handling during loading and transportation.
2. Surface Protection
Anti-rust oil or protective coating is applied to prevent corrosion during long-distance shipping and storage.
3. Loading Methods
Packed in containers or bulk vessel shipments depending on size, length, and project requirements.
4. Fast Global Delivery
Flexible logistics solutions ensure timely delivery to ports worldwide, with full documentation for export clearance.
FAQ
Q1: Can you provide custom sizes and lengths?
A: Yes, we offer customized widths, thicknesses, and lengths based on drawings or engineering specifications.
Q2: What is the typical delivery time?
A: Standard products are usually ready in 7–15 days, while customized orders depend on quantity and specifications.
Q3: What applications are sheet piles suitable for?
A: They are widely used in retaining walls, marine engineering, flood control, cofferdams, and foundation support.
Q4: Do you provide mill test certificates (MTC)?
A: Yes, we can supply full MTC, SGS, BV, and third-party inspection certificates upon request.
Q5: What is your loading and packaging method?
A: Sheet piles are bundled with steel straps and loaded in containers or bulk vessels with proper protection for export shipping.
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