A36 / Q235 Grade Structural H-Beam
Wide-flange columns and platform girders with integrated MEP support channels. Cut-to-length ready.
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Priority Procurement Matrix
High-Spec Composite Piping & Structural Solutions
Engineered for high-pressure, thermal variance, and extreme municipal or structural environments. Verified factory-direct inventory.
Perforated Galvanized Angle Bar
Equal and unequal hot-dip galvanized mounting angles tailored for mechanical pipe racking and conduits.
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Hot Rolled Galvanized Channel Steel
U and C structural channels providing high torsional rigidity for heavy pipe supports and infrastructure.
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Hot Rolled Q235B Carbon Flat Bar
Solid mill-finish flat profiles widely applied in pipeline flange rings, grounding grids, and brackets.
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Q235B / Q345B Carbon Steel Coil
Continuous hot and bright cold rolled coils for roll-forming, pipe casing, and structural cladding.
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Deformed Rebar 6 mm – 12 mm
High-tensile reinforcement rebar bundles for underground pipeline bedding, anchors, and structural slabs.
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Galvanized Scaffolding Pipe
Zinc-coated ERW pipe with verified wall thickness for heavy building utility framing and scaffolding.
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Industrial Pipeline Valves
Gate, ball, and butterfly valves engineered to integrate seamlessly into composite water supply networks.
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Industry Intelligence
Macro Dynamics Driving PPR Composite Water Pipe Demand
Why Tier-1 EPC contractors and municipal water authorities are migrating from single-layer polyolefins and traditional copper/iron to certified PPR multi-layer composite systems.
Oxygen Permeability & Scale Mitigation
Standard PPR piping suffers from microscopic oxygen diffusion, causing rapid cavitation and oxidation across boilers, heat exchangers, and cast-iron valves. CE-certified PPR-AL-PPR incorporates an overlapped ultrasonic or butt-welded laser aluminium barrier that achieves 100% zero oxygen transmittance, arresting biofilm accretion and pump decay permanently.
Linear Thermal Expansion Suppression
Traditional plastics expand drastically over operating cycles of 20°C to 95°C (linear coefficient ~0.15 mm/m·K), demanding extensive expansion loops. Composite layers reduce linear expansion by up to 75% (down to ~0.03 mm/m·K), mirroring the stability of metallic pipe while reducing anchor point installation costs and preventing vertical shaft sagging.
Total Lifecycle CAPEX/OPEX Efficiency
While bare copper and stainless systems incur prohibitive upfront material expenses and costly skilled TIG welding labour, composite PPR enables homogenous polyfusion joints. Combined with smooth internal Ra < 0.2 µm flow surfaces, it reduces hydraulic pumping energy consumption by 18–22% across multi-story commercial plumbing setups.
Engineering Deep-Dive
Structural Anatomy & CE Certification Benchmarks
A breakdown of the 5-layer co-extrusion matrix meeting DIN EN ISO 15874, DIN 8077/8078, and the EU Construction Products Regulation (CPR 305/2011).
Inner PPR Core Layer
Polypropylene Random Copolymer (Type 3 / Type 4 / PE-RT) virgin resin. Chemically unreactive, toxicologically inert, zero leachable plasticizers, and immune to scale crystallization under extreme lime hardness.
Polymeric Adhesive Bond
High-graft maleic anhydride adhesive layers (Tie-Resin) co-extruded under strict thermal controls, delivering peel strengths exceeding 50 N/cm to prevent delamination during sharp thermal cycles.
Aluminium / Glass Core
Continuously welded aeronautical-grade aluminium alloy foil (or cross-linked glass-fibre compound layer). Provides structural ring stiffness up to SN16, shape retention, and barrier protection against solar UV radiation.
Protective PPR Outer
Rugged external polypropylene sleeve treated with specialized masterbatches to resist impact scratching during site transport and prevent electrochemical corrosion when embedded in reinforced concrete.
2026/2027 Factory Pricelist
Indicative CE-Certified PPR Composite Piping Benchmarks
Base wholesale price schedules for standard SDR7.4 / PN20 & PN25 series. FOB Tianjin / Shanghai. Subject to raw resin and aluminium index adjustments.
| Outer Diam. (OD) | Wall Thickness | Al Thickness | Design Pressure | Standard Length | Certification | Est. FOB Price / Meter |
|---|---|---|---|---|---|---|
| dn 20 mm | 2.8 mm | 0.20 mm | PN 25 (SDR 7.4) | 4.0 m / Bar | CE / DIN / WRAS | $0.72 – $0.88 |
| dn 25 mm | 3.5 mm | 0.25 mm | PN 25 (SDR 7.4) | 4.0 m / Bar | CE / DIN / WRAS | $1.05 – $1.25 |
| dn 32 mm | 4.4 mm | 0.30 mm | PN 25 (SDR 7.4) | 4.0 m / Bar | CE / ISO 15874 | $1.68 – $1.95 |
| dn 40 mm | 5.5 mm | 0.35 mm | PN 20 (SDR 9.0) | 4.0 m / Bar | CE / ISO 15874 | $2.55 – $2.95 |
| dn 50 mm | 6.9 mm | 0.40 mm | PN 20 (SDR 9.0) | 4.0 m / Bar | CE / ISO 15874 | $3.90 – $4.45 |
| dn 63 mm | 8.6 mm | 0.45 mm | PN 20 (SDR 9.0) | 4.0 m / Bar | CE / ISO 15874 | $6.10 – $7.00 |
| dn 75 mm | 10.3 mm | 0.50 mm | PN 20 (SDR 9.0) | 4.0 m / Bar | CE / ISO 15874 | $8.80 – $9.90 |
| dn 90 mm | 12.3 mm | 0.60 mm | PN 20 (SDR 9.0) | 4.0 m / Bar | CE / ISO 15874 | $12.50 – $14.20 |
| dn 110 mm | 15.1 mm | 0.70 mm | PN 20 (SDR 9.0) | 4.0 m / Bar | CE / ISO 15874 | $18.60 – $21.50 |
| dn 160 mm | 21.9 mm | 0.85 mm | PN 16 (SDR 11.0) | 4.0 m / Bar | CE / ISO 15874 | $38.00 – $43.50 |
*Indicative baseline estimates. Discounts apply for multi-container allocations. Custom branding (OEM), stripe identification (Hot Water Red / Chilled Blue), and bespoke wall thickness available upon request.
Industrial Legacy Since 1996
Integrated Manufacturing Base in Tianjin & Tangshan
Operating inside Daqiuzhuang Industrial Zone, Jinghai District, Tianjin—one of the world's most formidable industrial logistics and fabrication clusters.
1996
Established & Exporting Globally
1,500+
Acres of Production Facilities
10M+
Tons Annual Material Throughput
50+
Active Export Destination Countries
Consolidated Bill-of-Materials (BOM) Synergies
In major commercial infrastructure developments, mechanical engineers require both fluid transmission conduits (PPR, PVC, PE) and heavy structural framing (H-beams, channel sections, rebar, flanged valves). Sourcing fragmented items across several factories leads to staggered delivery schedules, ballooning shipping container dead-space, and multi-supplier credit risks.
Tianjin Huizhong Xinyu (HZXY) consolidates comprehensive MEP packages, high-pressure industrial valves, structural carbon steel profiles, and CE-compliant plastic composite pipe systems into single, consolidated bills of lading shipped directly from Tianjin Port.
Proven Track Record
Landmark Infrastructure & Engineering Validations
Our material consignments, structural sections, and pipeline materials have been integrated into landmark civil builds across China and global mega-projects.
Jiaozhou Bay Marine Bridge
Heavy structural steel profiles and utility conduit infrastructure deployed within high-salinity marine environments requiring severe anti-corrosion benchmarks.
Beijing Daxing International Airport
Consolidated deliveries of precision steel structural members, fluid conveyance pipelines, and heavy valves supporting terminal MEP systems.
National Stadium (Bird's Nest) & Water Cube
Rigorous mechanical profile delivery and high-pressure space-frame component manufacturing satisfying strict Olympic-level engineering audits.
Global Assurance
Localized Support, Testing & Strict Compliance
Ensuring cross-border procurement peace of mind with verifiable chemical, mechanical, and sanitary certifications.
CE CPR (EN 15874) & Hygiene Standards
Full CE documentation conformity to the European Construction Products Regulation (CPR). Pipes undergo mandatory hydrostatic burst verification at 95°C for 1,000+ hours, together with migration assays meeting WRAS, DVGW, and NSF/ANSI 61 potable purity requirements.
Third-Party Inspection Pre-Shipment
We welcome third-party audit teams—including SGS, BV (Bureau Veritas), TÜV, and Intertek—for wall thickness ultrasonic checking, adhesive peel strength testing, hot-dip zinc mass verification, and barcoding inspection prior to port departure.
Export Custom Packaging & Marking
Pipe bars bundled in heavy UV-resistant polyethylene woven wrapping with reinforced corner protectors. End caps attached to avoid ingress of dirt and moisture. Bundles labelled with GS1-compatible barcodes, client logos, and container loading maps.
Buyer Consultation
Frequently Asked Questions for Overseas Procurement
Key technical, commercial, and logistic details to assist project estimators and procurement teams.
Where is HZXY located and which port do you ship from?
HZXY is headquartered in the Daqiuzhuang Industrial Zone, Jinghai District, Tianjin, China—one of the largest steel and pipeline processing clusters in the world—with a secondary production hub in Tangshan. Most export orders are loaded through Tianjin Port (Xingang), while shipments from other Chinese ports can be arranged upon project request.
What is the fundamental difference between standard PPR and PPR-AL-PPR Composite?
Standard PPR has high thermal expansion and is oxygen permeable. PPR-AL-PPR incorporates an overlapped or butt-welded aluminium core layer that acts as a 100% barrier against oxygen diffusion, prevents UV degradation, increases mechanical rigidity, and reduces thermal expansion by roughly 75%, making it suitable for high-rise risers and exposed HVAC piping.
Which steel grades and standards can you supply alongside pipes?
Common structural grades include Q235B, Q355B (formerly Q345B), ASTM A36, DX51D to DX54D galvanized coils, and SAE1006 / SAE1008 / SAE1080 wire rod. Materials comply with GB, ASTM, EN, and JIS standards, and cross-reference conversion charts are verified during order confirmation.
Do you supply mill test certificates and support third-party inspections?
Yes. All shipments include EN 10204 3.1 Mill Test Certificates (MTC), dimensional reports, and coating certifications. Clients frequently appoint third-party agencies such as SGS, BV, or Intertek to perform pre-shipment inspections and load testing.
Can you provide custom cut-to-length sizes, welding, and galvanizing?
Yes. In-house processing covers precision cutting, welding, bending, punching, drilling, hot-dip galvanizing, electrostatic spraying, and container packing. Non-standard dimensions can be custom manufactured to project engineering drawings.
Can mixed products (structural steel, composite pipes, valves) share one shipment?
Yes. By consolidating structural sections, reinforcing bars, steel pipes, composite PPR piping, PVC conduit, and valves into unified containers or break-bulk consignments, project buyers minimize customs handling, decrease freight costs, and simplify logistics management.
How do I obtain the complete technical catalog and updated pricelist?
You can request our product guide via the Request a Catalog portal at hzxysteels.com/catalog/ or email our export team directly at [email protected] for full engineering schedules and quantity-tiered pricing.
Factory Production Spectrum
Comprehensive Piping & Project Fabrication Lines
Explore our core industrial and commercial piping systems designed to integrate into MEP and civic projects worldwide.
Anti-Corrosion Coated Steel Pipe
Fusion bonded epoxy (FBE) and 3PE-coated pipeline segments engineered for high-pressure fluid conveyance.
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Seamless & ERW Black Steel Pipe
Precision-gauged carbon steel pipes for industrial chilled water loops, fire mains, and fluid infrastructure.
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PPGI / PPGL Color-Coated Coil
Double-coated protective coils in standard RAL palettes, providing durable external envelope building sheeting.
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DX51D–DX54D Galvanized Coil
Consistent zinc mass coverage delivering excellent forming and deep-drawing response for ventilation ductwork.
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Galvanized Plain Round Bar
Smooth hot-dip galvanized solid circular sections for structural bracing, tie-rods, and machining stock.
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SAE1080 / Q235 Wire Rod in Coils
Coiled hot rolled high-tensile wire rod suited for mesh welding, prestressed elements, and fastener forging.
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Hot-Dip Galvanized Flat Steel Bar
Heavy-gauge zinc flat bar (3–60 mm) designed for outdoor substations, MEP pipe racks, and earthing strips.
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Plastic Building Pipeline Packages
Comprehensive drainage, communication conduit, and water supply plastic lines supporting multi-unit MEP packages.
View Product DetailsRequest the Official 2026/2027 Engineering Catalog & Pricelist
Submit your project bills of materials, piping schedules, and required testing specifications. Our engineering sales team delivers comprehensive quotes within 24 hours.