Steel Sheet & Plate & Steel Sheet Pile,Q235P、Q355P、Q420P、SY295、SY390
1. Product Overview
Steel Sheet Pile is a special profiled engineering steel with interlocking clutches on both sides. With a unique interlocking structure, Steel Sheet Pile can be assembled into a continuous and closed retaining and water-stopping wall, widely used in foundation pit support, cofferdams, revetments, flood control, marine hydraulic engineering and other infrastructure projects. Our factory mainly supplies two major series: Hot Rolled Steel Sheet Pile and Cold Formed Steel Sheet Pile. Various types of Steel Sheet Pile are suitable for temporary support and permanent hydraulic structures, meeting the construction demands of river regulation, port terminals, bridge foundations, underground pipe galleries, flood emergency rescue and other projects. Adopting mature rolling technology, Steel Sheet Pile features high clutch precision, stable section performance, excellent bending resistance and superior water tightness. It can be treated with anti-corrosion coating and hot-dip galvanizing, and has the prominent advantage of reusable recycling, serving as an indispensable engineering steel material in geotechnical, hydraulic and municipal infrastructure fields.
2. Product Classification
According to forming technology and section form, Steel Sheet Pile is mainly divided into two core categories, covering most temporary and permanent geotechnical and hydraulic engineering scenarios:
1. Hot Rolled Steel Sheet Pile: Hot Rolled Steel Sheet Pile features high overall strength, tight clutch engagement, excellent sectional mechanical properties, strong earth pressure resistance and stable water stopping effect. Including mainstream sections such as U-type, Z-type and straight web type, Hot Rolled Steel Sheet Pile is mostly applied in large-scale cofferdams, port terminals, deep foundation pit support and permanent revetment projects, and is the preferred Steel Sheet Pile product for key domestic and overseas engineering projects.
2. Cold Formed Steel Sheet Pile: Cold Formed Steel Sheet Pile boasts flexible forming, rich specifications, outstanding cost performance and customizable non-standard sections. It is lightweight and easy for transportation and piling construction. Cold Formed Steel Sheet Pile is suitable for small and medium-sized foundation pits, temporary cofferdams, simple river revetments and short-term municipal support projects, ideal for engineering scenarios with short construction periods and controllable budgets.
3. Special-purpose Steel Sheet Pile: Including anti-corrosion Steel Sheet Pile, hot-dip galvanized Steel Sheet Pile and large-section thickenedSteel Sheet Pile. Custom fixed lengths and surface coatings are available to adapt to harsh working conditions such as seawater corrosion, ultra-deep foundation pits and high earth pressure.
3. Implementation Standards & Material Grades
All Steel Sheet Pile products are manufactured in strict accordance with national and overseas mainstream engineering standards, with strictly controlled dimensional tolerance, clutch size and mechanical properties. Complete MTC material certificates can be provided to meet the acceptance requirements of domestic construction and foreign trade export engineering projects:
Implementation Standards: GB/T 20933-2021 (Hot Rolled Steel Sheet Pile); Foreign Trade Standards: JIS A5528, EN 10248, ASTM A328, ASTM A690
Hot Rolled Steel Sheet Pile Grades: Q235P, Q355P, Q420P, SY295, SY390; Common sections: PU400×125, PU400×170, PZ series Larsen steel sheet pile models
Cold Formed Steel Sheet Pile Grades: Q235B, Q355B. Customizable U-type and Z-type cold formed sections are available for small and medium-sized temporary support projects
The high-end Steel Sheet Pile supplied by our factory features precise clutch forming without distortion or crack defects, with qualified bending section modulus, effectively ensuring smooth piling construction and overall soil and water retaining performance of the Steel Sheet Pile wall.
4. Specification Parameters
4.1 Length Range
Conventional length: 6m-18m. Custom non-standard Steel Sheet Pile within 24m is available, which can be customized according to foundation pit depth and cofferdam design depth.
4.2 Section Width Range
Conventional effective width: 400mm-600mm; Multiple sections including U-type, Z-type and straight web type are optional, with section modulus covering light to heavy engineering grades.
4.3 Web Thickness Range
Conventional thickness: 8mm-22mm. Thickened specifications can undertake orders for working conditions with high earth pressure and seawater environment, reducing engineering deformation risks.
4.4 Surface & Delivery Condition
Delivered with hot-rolled black surface and original cold-formed surface; Custom rust removal, epoxy primer, polyurethane topcoat and hot-dip galvanizing anti-corrosion treatments are available; Fixed-length cutting and end finishing are supported, compatible with vibratory hammer and static pressure piling construction.
5. Core Product Advantages
1. Reliable Soil and Water Retaining Performance: Steel Sheet Pile is assembled into a continuous wall with precisely interlocked clutches that fit tightly, delivering excellent anti-seepage and water-stopping effects. Steel Sheet Pile can effectively block soil and water, reducing the risk of seepage and collapse in foundation pits and cofferdams.
2. High Strength and Stable Structure: Hot Rolled Steel Sheet Pile and Cold Formed Steel Sheet Pile have excellent sectional bending resistance, capable of bearing large lateral earth pressure and water pressure. The overall wall features high rigidity and strong deformation resistance, adapting to excavation working conditions of different depths.
3. Efficient Construction and Short Period: High-quality Steel Sheet Pile is suitable for rapid piling and pulling operations with vibratory hammers and static pressure pile machines. It requires no large-area excavation and occupies a small working site, greatly shortening the project construction cycle, making it ideal for emergency rescue projects.
4. Recyclable and Reusable: Qualified Steel Sheet Pile can be pulled out and recycled after the completion of temporary projects for repeated turnover use, reducing comprehensive project costs, realizing environmental protection and reducing construction waste.
5. Diverse Anti-corrosion Solutions for Complex Environments: Steel Sheet Pile can be processed with various anti-corrosion coatings and hot-dip galvanizing, applicable to high-corrosion hydraulic environments such as seawater and river water to extend the service life of Steel Sheet Pile.
6. Complete Specifications and Stable Supply: Conventional Steel Sheet Pile is in sufficient stock for mass delivery; Steel Sheet Pile with special sections and lengths can be scheduled for production to adapt to the construction progress of various infrastructure projects.
6. Main Application Scenarios
1. Building Foundation Pit Support Engineering: Steel Sheet Pile is widely used for soil retaining support of deep foundation pits in building construction, underground garages and underground pipe galleries; Cold Formed Steel Sheet Pile is mostly used for temporary enclosure of small and medium-sized municipal foundation pits.
2. Water Conservancy and Flood Control Emergency Engineering: Hot Rolled Steel Sheet Pile is applied to river revetments, embankment reinforcement, flood walls and emergency cofferdams to resist flood erosion and control river bank soil and water loss.
3. Port and Marine Hydraulic Projects: Steel Sheet Pile is used for port quay walls, dry docks, breakwaters and marine cofferdams to resist seawater corrosion, serving as the core engineering material for port construction.
4. Bridge and Municipal Infrastructure: Steel Sheet Pile is widely adopted for water and soil retaining operations in bridge foundation cofferdams, pier construction enclosure and underground pipeline trench support.
5. Temporary Cofferdam and Foundation Pit Enclosure: For water conservancy closure, temporary construction cofferdams and reservoir enclosure, Steel Sheet Pile is easy to assemble and disassemble and can be recycled after project completion.
6. Environmental Treatment Engineering: Used for polluted soil isolation enclosure and sewage treatment tank enclosure, Steel Sheet Pile forms a closed wall to prevent the diffusion and seepage of pollutants.
7. Processing Methods
1. Fixed-length Cutting Processing: Steel Sheet Pile is cut according to engineering design length with end finishing treatment to directly meet the dimensional requirements of piling construction.
2. Anti-corrosion Coating Processing: Steel Sheet Pile undergoes surface rust removal, primer and topcoat spraying or hot-dip galvanizing treatment to improve corrosion resistance in seawater and humid environments.
3. Clutch Preprocessing: The clutches of Hot Rolled Steel Sheet Pile and Cold Formed Steel Sheet Pile are cleaned and lubricated to reduce clutch wear during piling and improve the water-tight sealing effect of clutches.
4. Welding Splicing Processing:Steel Sheet Pile can be welded and extended to meet the engineering demand for ultra-long piles in ultra-deep cofferdams and foundation pits.
8. Packaging, Quality Inspection & Delivery
1. Packaging Standard: Finished Steel Sheet Pile is bundled with special section steel strapping bands and supported by wooden battens at the bottom to avoid deformation caused by hoisting collision; Export orders adopt marine moisture-proof packaging with complete end protection for long-distance ocean transportation.
2. Quality Inspection Guarantee: Each batch of Steel Sheet Pile undergoes chemical composition analysis, tensile and bending mechanical tests, as well as inspection of section size, clutch shape and surface defects. Original MTC material reports are available, supporting third-party testing and acceptance.
3. Delivery Cycle: Standard-specification Steel Sheet Pile, Hot Rolled Steel Sheet Pile and Cold Formed Steel Sheet Pile are in sufficient stock and delivered within 5-8 working days; Custom Steel Sheet Pile with special sections and anti-corrosion treatment is delivered within 12-20 working days.
4. Logistics Distribution: Support full-truck domestic transportation and port docking for export shipment, adapting to international trade terms such as FOB and CIF.
9. Storage & Usage Precautions
1. The storage site for Steel Sheet Pile shall be flat and solid. Piles shall be stacked elevated off the ground to avoid water immersion. Different types of Steel Sheet Pile shall be stacked in layers in order to prevent pile distortion and deformation.
2. Hot Rolled Steel Sheet Pile and Cold Formed Steel Sheet Pile must be stacked separately by type, material grade and length with clear marks. Mixing and misapplication are strictly prohibited to avoid potential safety hazards caused by unqualified engineering selection.
3. Special lifting tools shall be used for handling Steel Sheet Pile. Direct hooking of clutch parts with steel wires is forbidden to prevent clutch collision and damage, which will directly reduce the water-tight sealing performance of Steel Sheet Pile.
4. Select products according to excavation depth, earth pressure and water environment corrosion grade.Cold Formed Steel Sheet Pile cannot replace Hot Rolled Steel Sheet Pile for high-load and seawater corrosion working conditions to avoid wall deformation and seepage failure risks.
5. The piling construction of Steel Sheet Pile shall strictly follow the engineering design scheme. Clutches shall be well adapted and sealed when necessary to ensure the overall soil and water retaining effect of the wall.
10. Supporting Derivative Products
- Hot-dip Galvanized Steel Sheet Pile: Integrally hot-dip galvanized for anti-corrosion, resistant to seawater salt spray corrosion, suitable for permanent hydraulic projects in ports and coastal areas
- Anti-corrosion Coated Steel Sheet Pile: Treated with rust removal, epoxy primer and polyurethane topcoat to reduce corrosion loss and extend the service life of Steel Sheet Pile
- Custom Processed Steel Sheet Pile: Original Steel Sheet Pile with customized fixed-length cutting and end finishing, delivered directly to the construction site to reduce on-site secondary workload
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