Steel Sheets Piles - Royal Steel Group
Steel sheet piles constitute the building blocks of earth-retaining systems such as waterfront bulkheads, cofferdams, seawalls and levees. They provide strength, stability, and water-tightness to construction projects for civil engineering, marine and industrial applications.
Hot-Rolled Sheet Piles
Produced at high temperature above recrystallization point.
High toughness, good ductility, large thickness options.
Ideal for heavy-duty permanent structures and marine applications.
Cold-Rolled Sheet Piles
Produced at room temperature for precise dimensions and smooth surfaces.
Moderate strength, high dimensional accuracy.
Suitable for temporary structures or lightweight walls requiring fast installation.
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Larssen Sheet Piles
Larssen Sheet Piles are the most widely used hot-rolled U-type steel sheet piles globally. Named after the classic Larssen interlock design, these piles are valued for their superior mechanical performance, water-tight sealing, and excellent reusability. They are core materials in foundation support, flood control, marine engineering, and river management projects.
Type Ⅱ (Type 2) steel sheet piles and Type Ⅳ (Type 4) steel sheet piles are the two most commonly used U-shaped hot-rolled steel sheet pile models among Larssen Sheet Piles. The numerical designations represent an increasing sequence of their cross-sectional dimensions, weight, and load-bearing capacity, and they are widely used in various foundation pit supports, seepage prevention and soil retaining, as well as hydraulic engineering projects.
| Parameter | Type Ⅱ (SP-Ⅱ) | Type Ⅳ (SP-Ⅳ) | Key Differences |
| Width (mm) | 400 | 400 | Same width for easy splicing and connection |
| Height (mm) | 100 | 170 | Type Ⅳ features a 70% increase in section height, which improves the section modulus |
| Thickness (mm) | 10.5 | 15.5 | Type Ⅳ has a 47.6% increase in thickness, enhancing overall structural strength |
| Unit Weight (kg/m) | Approx. 61.2 | Approx. 76.1 | Type Ⅳ boasts a 24.3% weight increase, delivering stronger load-bearing capacity |
| Section Modulus (m³/m) | Approx. 0.000874 | Approx. 0.00134 | Type Ⅳ realizes a 53.3% improvement in bending stiffness |
| Interlock Type | Larssen Standard Interlock | Larssen Standard Interlock | Both adopt high-waterproof performance tongue-and-groove interlocks |
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ROYAL GROUP
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
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