Priority Catalog & Deep Inventories
Essential Heavy Engineering & Structural Products
Immediate dispatch available from 1,500-acre storage bases in Tianjin and Tangshan. Consolidate your core bill of materials under single-source accountability.
Q235B / Q355B Structural Carbon Steel Coil
High-Yield Deformed Steel Rebar (6–12mm)
Hot-Dip Galvanized Flat Steel (3–60mm)
Galvanized Structural & Scaffolding Pipe
Industrial Grade High-Pressure Valves
Galvanized U/C Channel Profiles
Perforated Galvanized Angle Steel
Technical Whitepaper
Engineering Evolution of Z-Type Steel Sheet Piles
Why modern deep excavations, port quays, and flood mitigation barriers are systematically replacing traditional U-profiles with high-efficiency Z-piles.
Neutral Axis Optimization
Unlike U-type piles where interlocks sit directly on the neutral axis (inducing shear slippage), Z-type piles position the interlocks symmetrically on the outer flanges. This guarantees 100% structural integrity of the section modulus (W) without reliance on soil-lock friction.
Superior Strength-to-Weight Ratio
Modern cold-forming technologies allow continuous variable thickness, concentrating steel mass at the points of maximum bending moment. Engineers achieve equivalent or greater elastic section moduli (up to 5,000 cm³/m) while saving up to 15–22% in raw tonnage costs.
Interlock Watertightness Integrity
Equipped with standardized Larssen or cold-rolled ball-and-socket interlocking mechanisms, Z-profiles ensure continuous installation alignment. When combined with polyurethane or bituminous sealants, permeability coefficients drop below 10⁻⁸ m/s for cofferdam isolation.
China Factory 4.0 Ecosystem
Precision Rolling & Daqiuzhuang Industrial Synergy
Headquartered in Daqiuzhuang, Jinghai District, Tianjin—with massive production arms in Tangshan—Tianjin Huizhong Xinyu (HZXY) deploys intelligent automated roll-forming lines. Our multi-stage cold-forming equipment continuously shapes hot-rolled master structural coils (up to 16mm gauge) into flawless Z-profiles with strictly monitored interlock geometries.
By consolidating upstream blast-furnace hot coil production, continuous slitting, high-frequency rolling, and deep anti-corrosive coating within a tight 30km regional hub, we completely insulate global buyers from inter-stage freight inflation and supply bottlenecks.
1996
Industrial Founding Year
1,500+
Acres Production Base
10M+
Tons Total Capacity
50+
Global Export Markets
Direct OEM Pricing Matrix
Z-Type Steel Sheet Piles Technical Specification & Pricelist
Indicative FOB Tianjin Port pricing based on current international market conditions. Customized steel grades (Q235B, Q355B, ASTM A572 Gr. 50/60, EN 10248 S355GP/S390GP) are rolled to exact order lengths up to 24 meters.
| Profile Series | Width (mm) | Height (mm) | Thickness Flange/Web (mm) | Section Modulus (cm³/m) | Moment of Inertia (cm⁴/m) | Weight (kg/m) | Indicative Price (FOB USD/Ton) |
|---|---|---|---|---|---|---|---|
| HZXY-Z14-700 | 700 | 380 | 8.5 / 8.5 | 1,420 | 27,000 | 64.2 | $640 – $690 |
| HZXY-Z18-700 | 700 | 405 | 9.5 / 9.0 | 1,810 | 36,650 | 72.5 | $635 – $680 |
| HZXY-Z22-675 | 675 | 440 | 11.0 / 10.0 | 2,240 | 49,280 | 84.8 | $630 – $675 |
| HZXY-Z26-675 | 675 | 460 | 12.5 / 10.5 | 2,650 | 60,950 | 93.1 | $635 – $680 |
| HZXY-Z32-600 | 600 | 500 | 14.0 / 12.0 | 3,210 | 80,250 | 112.4 | $645 – $695 |
| HZXY-Z38-600 | 600 | 525 | 16.0 / 13.0 | 3,840 | 100,800 | 128.6 | $650 – $710 |
*Tolerances strictly conform to EN 10249-2 / ASTM A6. Final order price fluctuates based on alloy surcharges, anti-corrosive tar/epoxy coatings, and fixed cutting tolerances.
Strict Compliance Standards
Worldwide Metallurgical Equivalents & Lab Verification
Clear chemical and tensile grade translations ensuring consulting engineers and procurement managers meet project standards without design friction.
Chinese GB/T Standard
Supplied in standard Q235B and high-strength Q355B (mandated under GB/T 1591-2018, superseding Q345B). Provides 355 MPa minimum yield strength with superior elongation characteristics for cold profiling.
ASTM / North America
Certified direct compliance with ASTM A36, A572 Grade 50, and A572 Grade 60. Ideal for federal, state DOT civil works, and port authority cofferdam infrastructure.
European EN 10248 / 10249
Manufactured to S275GP, S355GP, and S390GP. Thorough Charpy V-notch impact testing guaranteed down to -20°C for sub-zero retaining wall performance.
Inspection & MTC 3.1
Every heat batch ships with EN 10204 3.1 Mill Test Certificates detailing ladle analysis, mechanical yield, tensile, and elongation. Third-party testing by SGS, BV, or Lloyd’s is fully integrated.
Geotechnical & Hydraulic Applications
Tailored Performance Across Demanding Environments
Engineered for deep embedment, dynamic vibratory driving, and extended design life under aggressive chemical exposures.
Deep Basements & Underground Transit
Serving as temporary retaining structures or permanent basement walls for high-rise urban construction and metro stations, resisting high active lateral earth pressures with minimal lateral deflection.
Port Quays & Maritime Bulkheads
Combined with king-pipe piles (combined walls) or driven as independent continuous walls to form cargo terminal berths. Factory-applied multi-layer glass flake epoxy coating withstands harsh marine tidal and splash zones.
River Embankments & Flood Protection
Long continuous runs of Z-piles driven into river dykes prevent internal hydraulic piping, canal soil erosion, and catastrophic storm-surge breaching while lowering project completion times by 40%.
Heavy Manufacturing Infrastructure
Integrated Yard & Port Staging Ecosystem
Ensuring uncompromised interlock shape retention during open-sea transit via automated stacking and direct barge-to-vessel loading at Tianjin Port.
Technical & Procurement FAQ
Frequently Asked Commercial & Engineering Questions
Detailed answers regarding ordering, minimum order quantities, fabrication tolerances, and maritime logistics.
How do Z-type sheet piles compare with U-type sheet piles in deep excavations?
Z-type sheet piles provide an exceptional mechanical advantage: their interlocks are positioned on the outer flanges away from the neutral axis. In U-type piles, interlocks are on the neutral axis where shear stress is maximized, causing interlock transmission loss unless continuously welded. Z-profiles maintain their full theoretical section modulus (W), allowing lighter walls to resist identical earth pressures, cutting raw material procurement weight by up to 20%.
What are your MOQ and custom roll-to-length capabilities?
Standard stock dimensions (12m, 15m, 18m) carry no minimum order restriction when combining with project orders. For tailored OEM cold-roll runs with custom thicknesses (e.g., 9.2mm, 11.5mm) or exact project lengths up to 24 meters, our typical MOQ is 50 to 100 metric tons per specification.
Which marine corrosion protection options can be applied at the mill?
We provide full turnkey anti-corrosion services in our Daqiuzhuang processing lines. Piles can be shot-blasted to ISO 8501-1 SA 2.5 and coated with high-build marine epoxy, coal tar epoxy, or polyurethane barrier systems (typically 400 to 500 microns DFT) applied on one or both sides. Hot-dip galvanization is also available for lengths fitting our galvanizing baths.
How are Z-piles bundled to avoid deformation during maritime breakbulk handling?
Z-piles are nested interlocking pairs (crimped or welded in pairs upon request). Bundles are secured with high-tensile steel straps, protective corner edge protectors, and heavy dunnage spacers at 2-meter intervals. Bundles feature balanced lifting points to avoid web bending during ship crane hook-on and discharge.
Can you supply corner piles, tie-rods, and waling beams in the same container?
Yes. Tianjin Huizhong Xinyu operates across comprehensive steel sections. We routinely consolidate your primary Z-pile wall with matched fabricated corner piles (C9, Omega, or welded angles), high-yield anchor tie rods (M45–M120), C-channel walers, and foundation H-beams into a consolidated bill of materials shipped under one bill of lading.
Integrated Civil Infrastructure Solutions
Engineered Structural Steel & Drainage Consumables
Pair your sheet piling foundations with high-spec fluid management and secondary structural members from our certified export stocks.
Double-Coated Prepainted PPGI Steel Coil
DX51D–DX54D Galvanized Zinc Coil
Corrosion-Resistant Plain Round Steel Bar
High-Strength Coated Line & Slurry Pipe
Municipal PVC Heavy Drainage Conduit
High-Density Conduit & Cable Sleeve Pipe
Pressure-Rated Water & Gas Supply Pipes
Custom Deep Processing Anchor Fixtures
Deploy Reliable Z-Type Sheet Piling Solutions Today
Connect directly with our Tianjin senior engineering team to obtain tailored section calculations, custom roll schedules, and project-locked freight rates to your discharge port.