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Help CenterSteel Sheet & Plate & Steel Sheet Pile，Q235B, Q345B, SY295, SY390, S275JR, S355JR, S355GP, ASTM A328, A690
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Steel Sheet Pile Complete Product Specification
Steel Sheet Pile is a high-strength interlocking steel structural material specially used for foundation support, water retaining and earth retaining engineering. As an indispensable temporary and permanent building material in municipal and hydraulic engineering, Steel Sheet Pile features reliable interlocking sealing performance, excellent bending resistance, strong soil pressure resistance and good water impermeability. Steel Sheet Pile can form continuous rigid retaining and water-stopping walls through mutual interlocking connection. Steel Sheet Pile has the advantages of reusable construction, short construction period and stable structural safety. Steel Sheet Pile is widely recognized as the preferred solution for foundation pit support, cofferdam engineering and water conservancy reinforcement projects.
1. Product Classification & Core Types
Steel Sheet Pile is classified according to cross-section shape and production process, covering municipal foundation, hydraulic cofferdam, deep excavation and marine engineering support scenarios:
1.1 U-Type Steel Sheet Pile
U-Type Steel Sheet Pile is the most mainstream and widely used conventional sheet pile product. U-Type Steel Sheet Pile adopts symmetrical U-shaped cross-section with double-side interlocking structure. U-Type Steel Sheet Pile has excellent section modulus and strong bending resistance, stable structural force and convenient piling construction. U-Type Steel Sheet Pile features high cost performance and flexible assembly, perfectly suitable for conventional foundation pit support, river slope protection and general water retaining engineering.
1.2 Z-Type Steel Sheet Pile
Z-Type Steel Sheet Pile is a high-load heavy-duty structural sheet pile with optimized force-bearing design. Z-Type Steel Sheet Pile arranges interlocks away from the neutral axis, greatly improving overall rigidity and bending bearing capacity. Z-Type Steel Sheet Pile can adapt to deep foundation excavation, large soil pressure and complex geological conditions. Z-Type Steel Sheet Pile is widely used in large-scale cofferdams, port wharf engineering and deep water hydraulic support projects with high load requirements.
1.3 Straight Web Steel Sheet Pile
Straight Web Steel Sheet Pile features flat straight plate body and flexible interlocking performance. Straight Web Steel Sheet Pile focuses on excellent water-stopping and sealing effect with low bending deflection. Straight Web Steel Sheet Pile is easy to fold and assemble into circular or special-shaped enclosure structures. Straight Web Steel Sheet Pile is specially applied for small-scale closed cofferdams, pipeline trench protection and precise water-stopping support projects.
2. Production Process
All standard Steel Sheet Pile adopts high-temperature hot rolling integral forming process, with dense structure, accurate section size and firm interlocking bite:
High-quality steel billet heating → high-temperature hot rolling → sectional profile forming → precise interlock calibration → fixed-length cutting → surface finishing → straightening correction → flaw detection inspection → anti-rust treatment → finished product stacking and packaging
The whole production process strictly controls rolling precision and section symmetry. Every batch of Steel Sheet Pile has uniform wall thickness, standard interlock size and stable mechanical properties. All types of Steel Sheet Pile maintain unified high-standard rolling procedures to ensure tight interlocking, no water leakage and no deformation during engineering piling and long-term service.
3. Material Grades & Performance Characteristics
Steel Sheet Pile covers complete national, European, American and Japanese standard grades, adapting to different geological loads and engineering environments:
Conventional Carbon Grade (Q235B, Q345B): Good toughness and plasticity, stable bending performance, easy piling construction. Suitable for conventional municipal foundation pits, river regulation and general slope protection projects.
Special Sheet Pile Grade (SY295, SY390): Professional high-strength sheet pile steel with high yield strength and strong impact resistance. Optimized for piling impact load and long-term soil pressure bearing, suitable for medium and large engineering support.
European Standard Grade (S275JR, S355JR, S355GP): Strict dimensional tolerance and excellent structural stability, compliant with EU engineering standards, suitable for overseas hydraulic and municipal supporting projects.
American Standard Grade (ASTM A328, A690): Excellent corrosion resistance and low-temperature toughness, specially used for marine environment, salt fog coastal engineering and harsh geological projects.
4. Complete Size Specifications
Steel Sheet Pile supports full-size standard production and customized fixed-length processing, with complete model coverage and precise section parameters:
Common Types: U-type, Z-type, Straight Web type, Larsen series
Thickness Range: 8mm – 22mm
Width Range: 400mm – 750mm (400/500/600/700/750mm conventional sizes)
Length Range: 6m, 9m, 12m, 15m, 18m (customizable 3–24m special length)
Section Series: U400, U500, U600, PZ35, WRU750 and other mainstream models
Surface State: Hot rolled black surface, rust removal treatment, anti-rust oil coating
5. Executive Standards
National Standard: GB/T 20933-2015, JG/T 196-2018
European Standard: EN 10248
American Standard: ASTM A328, ASTM A690
Japanese Standard: JIS A5528
All Steel Sheet Pile are produced and inspected in strict accordance with industry authoritative standards. Each batch of Steel Sheet Pile is equipped with complete mechanical performance test reports, dimensional inspection certificates and factory qualification documents, meeting domestic and foreign engineering acceptance and third-party inspection requirements.
6. Product Advantages
1.Excellent Water-Stop & Sealing Performance: The precise interlocking structure of Steel Sheet Pile ensures tight lap joint, effectively blocking water and soil penetration, with ultra-low leakage rate for foundation and cofferdam engineering.
2. Strong Structural Bearing Capacity: Steel Sheet Pile has high section rigidity and bending resistance, resisting large soil pressure and water pressure, no bending or collapse in deep foundation support.
3. Reusable & Eco-Friendly: Steel Sheet Pile features simple construction and removable assembly, which can be recycled and reused for multiple times, greatly reducing engineering cost and construction waste.
4. Short Construction Cycle: Steel Sheet Pile adopts modular piling construction with fast installation speed, effectively shortening foundation engineering period and improving project efficiency.
5. Strong Geological Adaptability: Steel Sheet Pile adapts to various complex soil layers, soft foundation, coastal saline soil and riverbed geology, with stable performance in harsh construction environments.
7. Application Fields
Steel Sheet Pile is widely used in municipal construction, water conservancy and marine engineering fields: building foundation pit support, underground pipeline trench protection, river and lake slope reinforcement, bridge pier foundation protection, port and wharf cofferdam, coastal flood control and tide prevention, hydraulic engineering water retaining structure and temporary enclosure engineering.
8. Delivery Cycle
Conventional Models & Sizes: Q235B/Q345B U-type conventional Steel Sheet Pile are in sufficient stock, delivered within 3–5 working days.
High-Strength & Special Models: SY390, Z-type, straight web and special-length Steel Sheet Pile, delivered within 6–10 working days.
Large-Batch Engineering Orders: Large-tonnage project supporting orders support priority production, with negotiable urgent delivery to ensure construction progress.
9. Packaging & Transportation Protection
Steel Sheet Pile adopts professional engineering steel pile packaging: bundle fixing with steel belts, end anti-collision protection, overall waterproof and dustproof film wrapping. Each Steel Sheet Pile is marked with grade, model, size and batch number. Strict packaging effectively prevents interlock deformation, surface abrasion and rust during transportation and hoisting, ensuring intact delivery of high-quality Steel Sheet Pile.
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