Wholesale Z-Type Steel Sheet Piles JIS A5528 SY295 SY390 – Durable & Corrosion-Resistant Steel for Construction Manufacturer and Supplier

Z-Type Steel Sheet Piles JIS A5528 SY295 SY390 – Durable & Corrosion-Resistant Steel for Construction

Short Description:

Royal Steel Group provides Top-Quality JIS Z-Type Steel Sheet Piles SY295, SY390 in the Steel Grades. Sheet Piles are developed for High Bending Strength, Good Interlocking Performance and Long Service Life, these Sheet Piles are used in Retaining Wall, Cofferdam, Port Facilities, Flood Protection System and Foundation Engineering with a really good support. Due to good corrosion resistance, high bearing capacity and easy installation, Z-type sheet piles have a wide application in marine, infrastructure and civil engineering projects all over the world.

Standard: JIS

Grade: JIS A5528 SY295 SY390

Type: Z-shape

Technique: Hot Rolled

Thickness: 9.4 mm / 0.37 in – 23.5 mm / 0.92 in

Length: 6m、9m、12m、15m,18m and custom

Certificates: JIS A5528, CE, SGS certification

Application: Suitable for port and river construction, foundation engineering and coastal protection

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Product Detail

Product Tags

Product Introduction

Product Name	Z-Type Hot Rolled Steel Sheet Piles
Standard	JIS A5528
Steel Grade	SY295, SY390
Type	Hot Rolled Z-Type Sheet Piles for Construction
Section Shape	Z-Type Interlocking Profile
Width	400mm – 700mm
Height	150mm – 420mm
Thickness	8mm – 25mm
Length	6m – 24m or Customized
Surface Finish	Black, Painted, Epoxy Coated, Galvanized
Manufacturing Process	Hot Rolled
Interlock Type	High-Strength Continuous Interlock
Certification	MTC, SGS, BV, Third-Party Inspection Available

Steel Grade Properties

Grade	Yield Strength	Tensile Strength
SY295	≥ 295 MPa	≥ 490 MPa
SY390	≥ 390 MPa	≥ 540 MPa

ASTM A588 JIS A5528 Steel Sheet Pile Size

JIS A5528 Model	Effective Width (mm)	Effective Height (mm)	Thickness (mm)	Unit Weight (kg/m)	Grade
PZ400×100	400	100	10.5	50	SY295 / SY390
PZ400×125	400	125	13	62	SY295 / SY390
PZ400×170	400	170	15.5	78	SY295 / SY390
PZ500×200	500	200	16.5	108	SY390
PZ600×180	600	180	17.2	78.5	SY390
PZ600×210	600	210	18	118	SY390
PZ750×225	750	225	14.6	—	SY390

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Download the Latest JIS A5528 Steel Sheet Pile Specifications and Dimensions.

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ASTM A588 JIS A5528 Steel Sheet Pile Corrosion Prevention Solution

Applicable solution for the Americas: Hot-dip galvanizing (strictly in accordance with ASTM A123 standards, zinc layer thickness ≥85μm), 3PE coating is optional; all products are marked with the "RoHS compliant" certification mark.

Southeast Asia Region Solution: Utilizing a composite protective process of hot-dip galvanizing (zinc layer thickness ≥100μm) and epoxy coal tar coating. The core advantage of this process is that it shows no rust after 5000 hours of salt spray testing, thus meeting the requirements of tropical marine climates.

ASTM A588 JIS A5528 Steel Sheet Pile Locking and Waterproof Performance

Z-Type Hot Rolled Steel Sheet Piles provide a high-performance seepage control solution with reliable interlocking design, excellent water resistance, and structural stability for flood control, marine, and underground construction projects.

ASTM A588 JIS A5528 Steel Sheet Pile Production Process

1. Raw Material Preparation
Select qualified steel billets/slabs meeting chemical and mechanical requirements.

2. Heating
Heat raw materials to 1,100–1,200°C for hot rolling.

3. Hot Rolling
Roll steel into precise Z-shaped sheet pile profiles with reliable interlocks.

4. Cooling
Control cooling to achieve required strength and material properties.

5. Straightening
Straighten sheet piles to ensure accurate shape and dimensions.

6. Cutting
Cut products into standard or customized lengths.

7. Quality Inspection
Check dimensions, surface quality, and mechanical performance.

8. Packaging & Shipping
Bundle, protect, and ship products safely to customers.

ASTM A588 JIS A5528 Steel Sheet Pile Main Application

1. Port & Marine Structures
Used in ports, docks, and coastal projects to resist water pressure and impact loads.

2. River & Flood Protection
Applied for riverbank reinforcement, flood barriers, dikes, and erosion control.

3. Foundation & Excavation Support
Provides stable retaining walls for basements, tunnels, and deep foundation works.

4. Hydraulic & Infrastructure Projects
Widely used in hydropower facilities, pipelines, bridge foundations, and seepage control systems.

Royal Steel Group Advantage（Why Royal Group Stands Out for Americas Clients?）

1. Reliable Steel Supply
Stable supply chain and strong production capacity ensure consistent quality and on-time delivery.

2. Strict Quality Control
Products are manufactured according to international standards with professional inspection procedures.

3. Customized Solutions
Support customized sizes, grades, lengths, and surface treatments to meet project requirements.

4. Global Export Experience
Over 10 years of export experience serving construction, infrastructure, and industrial projects worldwide.

5. Complete Service Support
Provide technical support, documentation, logistics coordination, and after-sales service for smooth project execution.

A Closer Look at ROYAL GROUP's Steel Sheet Piling Solutions Z and U Type Steel Sheet Piles

1) Branch Office - Spanish-speaking support, customs clearance assistance, etc.

2) Over 5,000 tons of stock in stock, with a wide variety of sizes

3) Inspected by authoritative organizations such as CCIC, SGS, BV, and TUV, with standard seaworthy packaging

Packing And Delivery

Steel Sheet Pile Packaging & Handling/Transport Specifications

Packaging Requirements
Strapping
Steel sheet piles are bundled together, with each bundle firmly fastened using metal or plastic strapping to ensure structural integrity during handling.
End Protection
To avoid damage to bundle ends, they are either wrapped in heavy-duty plastic sheeting or capped with wooden guards—effectively shielding against impacts, scratches, or deformation.
Rust Protection
All bundles undergo anti-rust treatment: options include coating with anti-corrosive oil or full encapsulation in waterproof plastic film, which prevents oxidation and preserves material quality during storage and transit.

Handling & Transportation Protocols
Loading
Bundles are safely hoisted onto trucks or shipping containers using industrial cranes or forklifts, with strict adherence to load-bearing limits and balance guidelines to avoid tipping or damage.
Transit Stability
Bundles are stacked in a stable configuration and further secured (e.g., with additional strapping or blocking) to eliminate shifting, collision, or displacement during transportation—critical for preventing both product damage and safety hazards.
Unloading
Upon arrival at the construction site, bundles are carefully unloaded and positioned for immediate deployment, streamlining workflow and minimizing on-site handling delays.

Stable cooperation with shipping companies such as MSK, MSC, COSCO efficiently logistics service chain, logistics service chain are we to your satisfaction.

We follow the standards of quality management system ISO9001 in all procedure, and have strict control from packaging material purchase to transport vehicle scheduling.

FAQ

1.What are the typical applications of these steel sheet piles?

Both ASTM A588 and JIS A5528 sheet piles are widely used in:
Flood protection and riverbank reinforcement
Marine and port construction
Retaining walls and foundation support
Underground construction, such as basements or tunnels

2.Can ASTM A588 and JIS A5528 be welded?

Yes. Both steels have excellent weldability, but special care is needed:
Use low-hydrogen electrodes
Preheat in very cold climates to avoid cracking
Avoid over-welding to preserve corrosion resistance

3.How are the corrosion properties different from regular steel?

Both standards belong to weathering steels, meaning:
They develop a stable rust layer that protects the core
Resist atmospheric, underground, and marine corrosion
Typically eliminate the need for additional coatings in normal conditions

4.How are the sheet piles connected?

Both ASTM A588 and JIS A5528 sheet piles use interlocking profiles:
Z-shaped, U-shaped, or straight web designs
Interlocks provide structural integrity and limit water penetration
Can be installed by driving, vibrating, or pressing depending on soil conditions