Primary Structural Steel & Core Mill Offerings
Fully certified ASTM, EN, JIS, and GB standard steel profiles, hot-rolled coils, long products, and industrial flow systems ready for worldwide containerized and breakbulk delivery.
A36 / Q235B / Q355B Hot-Rolled H-Beam
Heavy-duty wide flange beams for industrial workshop frames, skyscrapers, and heavy civil superstructures.
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Perforated Galvanized Angle Steel Bar
Equal and unequal angle bars for transmission towers, support trusses, framework bracing, and racking systems.
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Hot Rolled Galvanized Channel Steel
Standard U/C profile channels for curtain wall purlins, automotive trailer chassis, and architectural brackets.
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Hot Rolled Q235B / Q355B Flat Steel Bar
Precision mill-finished carbon flat bars for mechanical fabrication, earthing strips, and structural base plates.
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Q235B / Q345B HR & CR Carbon Steel Coil
Industrial wide coil suitable for continuous roll forming, slitting, cold stamping, and welded tube manufacturing.
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High-Yield Deformed Concrete Rebar
Ribbed structural reinforcement rods (6mm-40mm) for bridge piers, foundation pile caps, and civil foundations.
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Galvanized Scaffolding & Structural Pipe
Hot-dipped zinc ERW structural pipes for civil falsework, agricultural greenhouses, and offshore handrails.
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Standard Universal I-Beam (UB/NPB)
Tapered-flange structural I-beams offering supreme vertical bending resistance for overhead gantry tracks and joists.
View ProductStructural I-Beam Industry Trends & Macro-Economics
The international structural steel ecosystem is witnessing an architectural shift toward optimized cross-sectional geometry, higher tensile alloy ratios, and strict carbon-footprint lifecycle accounting.
High-Yield Micro-Alloy Metallurgies
Structural engineers increasingly specify high-strength low-alloy (HSLA) grades such as ASTM A572 Grade 50 and EN 10025-2 S355JR over traditional mild carbon steel. This shift provides up to 30% greater load-bearing capacity per unit weight, yielding substantial freight savings, smaller foundations, and lower dead loads for seismically active construction zones.
Green Steel & EAF Transition
With the European Union implementing the Carbon Border Adjustment Mechanism (CBAM) and North American ESG reporting requirements tightening, tier-1 EPC contractors mandate documented embodied carbon calculations. Mill production lines integrate Electric Arc Furnaces (EAF) utilizing high scrap ratios to reduce carbon intensity below 0.6 tons of CO2 per ton of finished structural section.
BIM Integration & Modular Construction
The rapid rise of Prefabricated Prefinished Volumetric Construction (PPVC) requires exact dimensional tolerances (within ±1.0mm). Modern rolling mills feed direct dimensional scanning data to engineering teams running Autodesk Revit or Tekla Structures, allowing CNC pre-drilling and coping in factory setups prior to maritime transit.
China Industry 4.0: Daqiuzhuang Cluster Advantage
Established in 1996, HZXY operates across 1,500 acres of production and warehousing bases in Tianjin and Tangshan, delivering world-class supply chain resilience and rapid port transit.
Agglomeration Cost Efficiency
Daqiuzhuang Industrial Zone concentrates blast furnaces, rolling stands, continuous pickling, and galvanizing kettles within an integrated radius. By minimizing inter-plant trucking costs, we provide international procurement teams with factory pricing that is roughly 8% to 14% lower than fragmented regional producers.
Real-Time In-Line Optical Inspection
Our rolling lines utilize 3D laser profilers to check flange parallelism, web center-point deviation, and edge perpendicularity every 10 milliseconds. Any deviation exceeding ASTM A6 or EN 10034 tolerance thresholds triggers automated stand adjustments, preventing off-spec runs from entering maritime packing loops.
Tianjin Port Maritime Logistics Buffer
Situated less than 60 kilometers from Tianjin Xingang (CNTXG), one of the world's highest-volume bulk terminals, HZXY maintains bonded customs clearance corridors. We dispatch breakbulk and 40ft open-top containers within 72 hours of mill departure, eliminating port-side demurrage exposure.
Standard I-Beam Specifications & Indicative Export Pricelist
Reference pricing guide reflecting spot raw coil costs, alloying premiums, and standard seaworthy export bundling. Custom cut-to-length and pre-drilled specifications quoted on request.
| Profile Section (Standard) | Dimensions (H × B × t1 × t2) | Nominal Weight (kg/m) | Material Standard | Surface Treatment | Indicative Price (FOB Tianjin) |
|---|---|---|---|---|---|
| IPE 100 / I10 | 100 × 55 × 4.1 × 5.7 mm | 8.10 kg/m | EN 10025 S235JR / Q235B | Black Mill Finish / Light Oiled | $580 - $630 / MT |
| IPE 160 / I16 | 160 × 82 × 5.0 × 7.4 mm | 15.80 kg/m | ASTM A36 / Q235B | Hot Dip Galvanized (≥85μm) | $720 - $780 / MT |
| IPE 200 / I20a | 200 × 100 × 5.6 × 8.5 mm | 22.40 kg/m | ASTM A572 Gr. 50 / Q355B | Shop Primer Sprayed | $640 - $690 / MT |
| IPE 300 / I30a | 300 × 150 × 7.1 × 10.7 mm | 42.20 kg/m | EN 10025 S355JR / Q355B | Black Mill Finish / Bare | $610 - $660 / MT |
| IPN 240 / Heavy Section | 240 × 106 × 8.7 × 13.1 mm | 36.20 kg/m | JIS G3101 SS400 / Q235B | Bare / Bundled with Steel Straps | $590 - $640 / MT |
| Heavy UB 457 × 191 | 457 × 191 × 9.9 × 14.5 mm | 67.20 kg/m | GB/T 1591 Q355B / S355JR | Galvanized / Epoxy Coated | $740 - $810 / MT |
*Prices are indicative and subject to fluctuating alloy surcharges, global billet markets, and quantity brackets. Validated EN 10204 3.1 Mill Test Certificates are issued alongside bill of lading packages.
Where High-Integrity I-Beams Are Mission-Critical
Because I-beams feature distinct narrow flanges with inward slopes, they offer optimal section modulus per pound of steel for vertical flexural loads.
Overhead Crane Runway Girders
Unlike parallel-flange H-beams, structural I-beams with tapered interior flanges match standard wheel chamfers of industrial bridge cranes and monorails. They deliver structural stiffness under dynamic rolling wheel contact stress, resisting recurring fatigue cycles in manufacturing shops and shipyards.
Commercial Foundation & Shoring Walls
In deep basement excavations, underground subway shaft constructions, and coastal retention barriers, high-tensile I-beams act as 'soldier piles' (king posts) driven vertically into soil horizons. They accept horizontal lagging planks to resist soil thrust and hydro-pressures effectively.
Heavy Highway & Rail Overpasses
In medium-span viaduct bridges, composite concrete-steel decks utilize longitudinally oriented I-beam stringers. Their high vertical moment of inertia supports heavy freight train and multi-axle vehicular loads, while composite shear studs welded to top flanges unite concrete deck slabs with structural steel.
Engineered for Landmark Superstructures
HZXY steel profiles, plates, and pipes have formed the backbone of globally recognized mega-projects, demonstrating engineering reliability and international quality adherence.
Technical & Commercial FAQ for Project Buyers
Addressing key questions from international structural engineering firms, procurement officers, and project directors before purchase order issuance.
What are the structural distinctions between I-Beams and H-Beams?
I-beams feature narrow, sloped inner flanges (typically 1:10 or 1:6 taper) and a thicker web relative to flange width, giving them strong vertical bending resistance along the major axis. H-beams have parallel outer and inner flanges that are wider and uniformly thick, providing superior torsional resistance and lateral load capacity suitable for multi-axial columns.
What is the official cross-reference for GB Q355B vs ASTM / EN grades?
Under GB/T 1591-2018, Chinese standard Q355B replaced the older Q345B designation, raising minimum yield strength to 355 MPa (for thicknesses ≤16mm). Its structural and chemical equivalents are ASTM A572 Grade 50, European standard EN 10025-2 S355JR, and Japanese standard JIS G3106 SM490A.
How does HZXY ensure compliance with third-party testing?
All export shipments are accompanied by EN 10204 3.1 Mill Test Certificates (MTC) showing ladle chemical analysis and tensile/impact mechanical test results. We routinely host independent agencies like SGS, BV, and TÜV at our Tianjin logistics park to conduct pre-shipment dimensional and coating thickness verifications.
What custom fabrication services can be performed prior to export loading?
Our Tianjin and Tangshan processing centers provide fixed-length band sawing, CNC plasma web coping, flange hole punching, robotic gusset welding, and hot-dip galvanizing to ASTM A123 / ISO 1461 standards. Pre-fabricating components reduces on-site fabrication labor at the destination.
Can buyers consolidate structural profiles with pipes and coils in a single order?
Yes. HZXY operates as a single-source supplier. International procurement teams can consolidate I-beams, H-beams, hollow structural sections (HSS), galvanized conduit, ERW casing pipes, and color-coated coils into a unified Letter of Credit (L/C) and single Bill of Lading, reducing freight administration costs.
What packing standards are implemented to prevent maritime transit corrosion?
Structural sections are strapped with high-tensile steel bands using edge protectors to prevent chafing. For long ocean voyages or open-deck breakbulk transit, we offer vapor corrosion inhibitor (VCI) plastic wrapping, anti-rust clear varnishing, and custom wooden dunnage support.
Industrial Coils, Infrastructure Piping & Flow Control
Complement your primary structural steel packages with bundled deliveries of certified merchant bars, utility pipes, engineered drainage, and pressure-rated valves.
Double-Coated Prepainted PPGI Steel Coil
Zinc-coated coil with durable polymer topcoats in custom RAL shades for corrugated architectural siding.
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Solid Structural Carbon Square Bar
Square solid merchant steel bars for machinery shafts, perimeter security grates, and heavy brackets.
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Corrosion-Resistant Plain Round Steel Bar
Hot-dipped smooth round bars designed for heavy anchor bolts, sag rods, down-hole tools, and forged pins.
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High-Pressure Flanged Industrial Valves
Gate, butterfly, check, and ball valves matched to piping packages for commercial HVAC and municipal mains.
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Pressure Water Supply Piping Systems
Galvanized carbon steel fire sprinkler pipes and high-density polymer systems for municipal potable distribution.
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Electrical & Telecom Conduit Tubing
Impact-resistant rigid steel and PVC conduits providing shielded pathways for low-voltage cables and high-voltage cabling.
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Heavy Municipal Drainage & Sewer Pipe
High-rigidity engineered drainage pipes and matching fittings for stormwater runoff, sewage mains, and highway culverts.
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High-Pressure Gas Transmission Pipe
Coated welded and seamless pipes tested hydrostatically and non-destructively for cross-country petroleum and fuel delivery.
View ProductRequest a Real-Time Structural Steel Mill Quote
Connect directly with HZXY senior metallurgists and international logistics coordinators. Receive detailed size-by-size pricing, MTC samples, and container stowage plans within 24 hours.