Steel Sheet & Plate & Steel Sheet Pile,Q355B、Q390P、Q420P、S275JR、S355GP、S390GP、SY295、Q355WP、ASTM A690
1. Product Introduction
Steel Sheet Pile is hot‑rolled section steel specially used in civil engineering. It features interlocking latches on both sides. Driven into soil, Steel Sheet Pile interlocks mutually to form continuous retaining and water‑stop wall. It delivers high bending resistance, reliable water‑tight interlock, fast installation and reusable performance. Main categories include U‑Type Steel Sheet Pile and Z‑Type Steel Sheet Pile, together with flat sheet pile as accessories. U‑Type Steel Sheet Pile enjoys wide universality for foundation pit and river bank protection. Z‑Type Steel Sheet Pile owns large section modulus for deep‑water wharves and ultra‑deep foundation pits under heavy load. All Steel Sheet Pile are rolled complying with international standards with stable dimension, smooth interlock, free of crack, warping and lamination defects, widely used in infrastructure, port, water conservancy and municipal projects.
2. Material Grades
- Carbon Steel (for temporary works): Q235B, SS400, for shallow pit, temporary cofferdam and short‑term municipal support.
‑ Low Alloy High‑Strength Steel (main grade): Q355B, Q390P, Q420P; S275JR, S355GP, S390GP; SY295, SY390, main material forU‑Type Steel Sheet Pile and Z‑Type Steel Sheet Pile, high resistance against soil and water pressure for long‑term port, river and deep‑water cofferdam projects.
‑ Marine Corrosion‑Resistant Grade: Q355WP, ASTM A690, for salt‑fog and seawater immersion environment to extend service life of Steel Sheet Pile.
3. Execution Standards
- GB Standard: GB/T 20933‑2021
‑ EN Standard: EN 10248‑1, EN 10248‑2
‑ JIS Standard: JIS A5528
‑ ASTM Standard: ASTM A328, ASTM A690
4. Main Specifications
- Section Type: U‑Type Steel Sheet Pile (PU series, Larsen Ⅱ,Ⅲ,Ⅳ), Z‑Type Steel Sheet Pile (PZ/AZ series), Flat PI series
‑ Effective Width: 400mm, 500mm, 600mm, 700mm, customized non‑standard Steel Sheet Pile available
‑ Web Thickness: 9.4‑23.5mm, heavy‑duty thickened profiles optional
‑ Standard Length: 6m, 9m, 12m, 15m, 18m; max cut‑to‑length 24m according to requirement
‑ Delivery Condition: Hot‑rolled black surface; hot‑dip galvanized, anti‑rust paint, epoxy coating optional
‑ Dimension Tolerance: compliant with corresponding standards, precise interlock dimension for smooth driving & interlocking.
5. Process & Surface Treatment
Steel Sheet Pile is integrally hot‑rolled from steel billet. Interlock zone is precisely rolled for uniform interlocking clearance. Every piece is visually inspected for crack and folding on web, flange and latch; ultrasonic NDT is available for critical batches. Original finish is hot‑rolled black scale. Custom services including sandblasting, anti‑rust painting, hot‑dip galvanizing, epoxy anti‑corrosion coating, cutting and end beveling, adapting to seawater, wetland and corrosive soil working conditions.
6. Product Advantages
Reliable Soil & Water Retention: Precise interlocks of Steel Sheet Pile form sealed continuous wall for effective soil retaining and water‑stop, minimizing leakage risk for cofferdam and foundation pit.
Efficient On‑Site Construction: Driven directly by piling machine without large‑scale excavation, greatly shortening project schedule. U‑Type Steel Sheet Pile features easy disassembly, ideal for reusable rental projects.
Wide Strength Selection: U‑Type Steel Sheet Pile with favorable cost‑performance for most general works; Z‑Type Steel Sheet Pile delivers higher bending capacity at equal weight for deep‑water and heavy‑load ultra‑deep pits.
Reusable & Recyclable: Good material toughness, resistant to crack & deformation during driving & extraction. Can be reused after removal to lower overall project cost.
Strong Geological Adaptability: Suitable for soft soil, sand, tidal flat and coastal zones. Anti‑corrosion coating ensures stable long‑term service under marine salt‑fog environment.
Traceable Quality: Material test certificate and mechanical test report are provided for each batch of Steel Sheet Pile. Third‑party inspection is acceptable.
7. Application Scope
- Municipal Infrastructure: Deep foundation pit support, trench retaining, temporary enclosure for underground urban works, large quantity of U‑Type Steel Sheet Pile adopted.
‑ Water Conservancy & River Works: River bank protection, dike reinforcement, flood‑control wall, cofferdam closure and river regulation.
‑ Port & Marine Engineering: Quay wall, dry‑dock cofferdam, land reclamation, deep‑water port construction; Z‑Type Steel Sheet Pile preferred for heavy‑load zones.
‑ Temporary Works: Temporary water‑stop cofferdam, bridge pier foundation enclosure, flood emergency rescue projects.
‑ Other Applications: Underground garage enclosure, sewage tank retaining, pipeline trench support.
8. Lead Time, Packing & Shipping Documents
- Lead Time: 10‑15 working days for regular Steel Sheet Pile; 18‑25 working days for special length, anti‑corrosion treated, customized U‑Type Steel Sheet Pile and Z‑Type Steel Sheet Pile.
‑ Packing: Bundled with steel strips with end protection, stable stacking, suitable for container and bulk vessel shipment, preventing interlock deformation during transit.
‑ Shipping Documents: Material Test Certificate (MTC), mechanical property report, factory inspection sheet, certificate of origin. Third‑party inspection is supported.
9. Order Note
Custom Steel Sheet Pile, U‑Type Steel Sheet Pile and Z‑Type Steel Sheet Pile with special length, thickened section and special anti‑corrosion treatment according to drawings and project requirements. MOQ: 5 tons. Small trial orders and large full‑container export orders are acceptable. One‑stop processing including cutting and anti‑corrosion painting is provided.
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