A36 / Q235 Grade Hot Rolled H-Beam
Wide-flange hot rolled structural profiles designed for high-load columns, viaduct pillars, and frame components. Cut-to-length and drilled to blueprint.
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Mill-direct inventory maintained all year round. Certified chemical composition, strictly audited mechanical integrity, and ready-to-ship export logistics.
Q235B / Q355B Hot Rolled Carbon Steel Coil
High-tensile hot rolled steel coil and sheet metal for heavy equipment stamping, structural chassis, and industrial spiral pipe manufacturing.
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Hot Rolled Q235B Carbon Steel Flat Bar
Solid hot rolled flat bars engineered with sharp corners, uniform thickness, and clean mill surface for precision brackets, machinery, and structures.
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Hot Rolled Structural Channel Steel
U and C-section profiles delivering superior torsional resistance for equipment frames, architectural cladding frameworks, and solar purlins.
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Galvanized Carbon Steel Angle Bar
Equal and unequal angle steel with perforated custom hole patterns. Finished with hot-dip galvanization for enhanced marine atmospheric defense.
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DX51D–DX54D Galvanized Steel Coil
Continuously zinc-coated coils meeting EN 10346 specs. Excellent deep-draw stamping and zero-spangle surface suitable for exterior building skins.
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Deformed Rebar 6 mm – 12 mm Bundles
Hot rolled ribbed rebar for concrete reinforcement foundations, precast slabs, marine piers, and high-load bridge piers with verified yield strength.
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HDG Heavy Flat Steel Plate 3–60 mm
Hot rolled heavy gauge carbon flat steel with high-micron zinc bath treatment, designed for substation grounding grids and corrosive outdoor mounting.
Select Flat PlateStrategic Sourcing: China's Integrated Supply Chain Edge
A technical overview for international procurement directors: leveraging Daqiuzhuang's unmatched metallurgy density to de-risk schedule and capital expenditure.
In modern industrial procurement, sourcing custom hot rolled steel sheet metal demands more than identifying low ton rates; it requires end-to-end metallurgical consistency, precise gauge-tolerance controls, and verifiable mill traceability. Operating from the world's most dense steel-processing cluster in Daqiuzhuang, Jinghai District, Tianjin, alongside dedicated heavy rolling bases in Tangshan, Tianjin Huizhong Xinyu (HZXY) anchors global engineering with over 10 million tons of consolidated capacity across 1,500 manufacturing acres.
Agglomeration Economics
Within a 30-kilometer trucking radius, our ecosystem connects blast furnace converters, continuous hot-strip tandem mills, slitting bays, pickling lines, and hot-dip galvanizing lines. This geographic density slashes internal logistics lag from weeks to hours.
Continuous Quality Safeguards
Every hot-rolled heat is monitored via automatic gauge control (AGC) systems, laser flatness trackers, and spectroscopic optical analyzers. Chemical properties and mechanical elongation parameters conform rigorously to ASTM, GB, EN, and JIS standards.
Cost Volatility Hedging
With thousands of tons of ready slabs and master coils in stock across Tianjin and Tangshan, we shield EPC contractors from speculative market fluctuations, guaranteeing fixed-price contracts and on-schedule delivery terms.
Global Standardization & Mill Compliance Matrix
Eliminate project approval delays with pre-mapped material equivalents. All orders ship with Mill Test Certificates (EN 10204 3.1) and undergo independent third-party laboratory verification.
| Chinese Standard (GB) | American Standard (ASTM) | European Standard (EN) | Japanese Standard (JIS) | Min. Yield Strength (ReH) | Typical Applications |
|---|---|---|---|---|---|
| Q235B (GB/T 700) | ASTM A36 / A283C | S235JR (EN 10025-2) | SS400 (JIS G3101) | 235 MPa | General fabrication, secondary structural frames, stamped base plates |
| Q355B (GB/T 1591) | ASTM A572 Gr. 50 | S355JR / S355J2 | SM490A / SM490YA | 355 MPa | Heavy columns, long-span bridge girders, yellow machinery frames |
| Q420B / Q460C | ASTM A656 Gr. 60 | S420M / S460M | SHY685 | 420 - 460 MPa | Pressure vessels, offshore crane booms, telescopic structural arms |
| SPHC / SPHD | ASTM A1011 CS / DS | DD11 / DD12 (EN 10111) | SPHC / SPHD | Forming Grade | Automotive chassis components, compressed gas tanks, spiral pipes |
| DX51D+Z | ASTM A653 CS Type B | EN 10346 DX51D+Z | SGCC (JIS G3302) | Coated Grade | HVAC ductwork, architectural exterior panels, cable tray systems |
*Note on Code Evolution: In accordance with GB/T 1591-2018 revisions, standard structural grade Q345 was fully transitioned to Q355. This revision raises guaranteed minimum yield to 355 MPa, perfectly aligning with EN S355 and ASTM A572 standards for international civil engineering submittals.
1996
Established In Daqiuzhuang
10M+
Metric Tons Annual Capacity
1,500
Acres Processing Megabase
50+
Export Destination Countries
Solving Global EPC Procurement Bottlenecks
International engineering contractors encounter fragmented vendor bases, unpredictable demurrage, and mismatched welding certifications. Here is how our centralized production solves them.
Single-Point Bill of Materials
Consolidate diverse schedules into one contract. Instead of liaising with multiple vendors, merge custom heavy hot-rolled plate, long profile sections, rebar bundles, structural tubing, and drainage conduits onto a single bill of lading.
Port Proximity & Chartering Advantage
Located near Tianjin Port, we streamline heavy overland hauling. Material transfers directly from factory flatbeds onto container ships or break-bulk vessels, preventing coastal corrosion exposure and minimizing port demurrage costs.
SGS / BV / TUV Pre-Shipment Audits
We welcome third-party inspectors. Independent verification of plate gauge tolerances, ultrasonic flaw detection (UT), Charpy V-notch impact tests, and zinc coating thickness occurs prior to vessel stowage.
Tailored Deep Processing: Delivered Site-Ready
Save extensive job-site labor, tooling wear, and container volume dead space. Our in-house workshops prepare hot rolled steel components ready for direct site erection.
Laser & Plasma Cutting
High-precision multi-axis CNC plasma and fiber laser cutting machines convert hot rolled plates into gusset plates, flange rings, and complex machine blanks up to 100mm thickness.
Beveling & Weld Prep
Automated edge milling for V, X, and K bevel preparations ensures complete joint penetration during structural erection, complying with AWS D1.1 and EN 1090 structural codes.
Bending & Roll Forming
Heavy-tonnage CNC hydraulic press brakes execute precise radius bends without micro-fissuring along the grain, essential for heavy earthmoving buckets and maritime hulls.
Zinc Bath & Spray Coating
Complete hot-dip galvanizing per ISO 1461, high-durability epoxy zinc-rich primers, and customized RAL color spray systems for extended lifespan in coastal environments.
Engineered for Heavy Duty: Landmark Validated Solutions
From Olympic architectural marvels to marine cross-sea expressways, HZXY steel grades perform under severe environmental, seismic, and mechanical stresses.
Jiaozhou Bay Marine Bridge
Overcoming violent tidal forces and aggressive marine salinity, HZXY supplied specialized high-strength hot rolled structural plates and anti-corrosion sections. Rigid tensile and impact specifications guarantee decades of safe vehicular transits without structural fatigue.
National Stadium (Bird's Nest) & Venues
Supplying landmark megastructures including Beijing Daxing International Airport and the National Centre for the Performing Arts. We provided ultra-flat, clean-edge hot rolled plate components and customized beam structures supporting landmark spatial truss spans.
Future Trends in Hot Rolled Steel Fabrication
Adapting to the future of construction: Discover how smart metallurgical control and carbon footprint mitigation shape tomorrow's international supply contracts.
Thermo-Mechanical Controlled Processing (TMCP)
Micro-alloying with Niobium and Vanadium paired with precision controlled roll cooling delivers ultra-high yield strength without elevating carbon equivalents. This preserves weldability on job sites without heavy pre-heating procedures.
CBAM & Low-Carbon Steel Accounting
In response to European Carbon Border Adjustment Mechanism (CBAM) rules, HZXY leverages scrap-blended electric arc furnaces (EAF) and closed-loop heat recovery to lower embodied carbon across all hot-rolled flat and section exports.
Digital Mill Traceability & EDI Integration
Modern EPC buyers monitor progress in real time. We integrate automated order tracking from coil billing through shear line slitting and port clearance, delivering complete transparency on order milestones.
Technical FAQs for Foreign Procurement Directors
Essential guidance covering international trade terms, plate tolerances, surface finishes, and logistics coordination before placing purchase orders.
How does hot rolled steel sheet metal compare to cold rolled steel?
Hot rolled steel is rolled above its recrystallization temperature (typically >1,700°F/926°C), resulting in low residual stress, excellent ductility, and economical cost, making it ideal for heavy structural members, frames, and tanks. Cold rolled steel is processed at ambient temperatures to achieve tighter dimensional tolerances and a polished, mirror-like finish for precision casings and exterior appliances.
What mill test certifications accompany each steel export shipment?
Every shipment is accompanied by a certified EN 10204 3.1 Inspection Certificate documenting the heat number, ladle chemical analysis (C, Si, Mn, P, S), mechanical yield strength, tensile rupture limits, elongation percentages, and Charpy impact values. Third-party testing with SGS, Bureau Veritas, or Cotecna can also be arranged prior to release.
Can customized widths, lengths, and hole patterns be cut before export?
Yes. Our in-house deep processing center provides cut-to-length shearing, high-speed slitting, CNC plasma bevel cutting, laser plate profiling, and punching. Supplying finished parts directly reduces your container dead space and cuts high on-site fabrication labor.
Can I combine multiple steel profiles and pipeline components in one shipment?
Absolutely. Project contractors frequently consolidate hot rolled carbon plates, H-beams, channel sections, rebar, black and galvanized pipes, and drainage fittings into a single consolidated ocean container or break-bulk charter, saving customs management time and total shipping costs.
Where is HZXY located, and which ports handle ocean departures?
HZXY is headquartered in Daqiuzhuang Industrial Zone, Tianjin, with secondary facilities in Tangshan. Our main export gateway is Tianjin Port (Xingang), situated less than an hour away, though Qingdao, Shanghai, or Ningbo ports can be scheduled for specialized freight arrangements.
What packaging protections prevent transit rust and maritime salt damage?
Depending on buyer instructions, hot rolled sheet metal can be lightly oiled, wrapped with heavy VCI waterproof anti-corrosion paper, secured with high-tensile radial steel straps, and protected with perimeter corner guards. Heavy plates travel with wooden dunnage blocks to facilitate crane offloading.
Secondary Tubular, Long & Industrial Assemblies
Complete your materials package with high-demand structural pipes, wire products, and industrial flow hardware manufactured across our Northern China base.
Galvanized Scaffolding Steel Pipe
Welded high-tensile tubular hollow sections finished with heavy zinc immersion. Delivers superior bending resistance for safety scaffolding and frameworks.
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Galvanized Plain Round Steel Bar
Solid smooth round bar engineered with tight tolerances and corrosion resistance for tie rods, anchor bolts, and precision axle fabrication.
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Prepainted Galvanized Steel Coil (PPGI)
Double-coated and baked organic surface finish coils available across full RAL color palettes. Highly resistant to UV breakdown, peeling, and acid rain.
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SAE1080 / Q235 Hot Rolled Wire Rod
High-purity carbon wire rods delivered in tight continuous spools. Balanced grain structure enables high-speed drawing, cold-heading, and mesh welding.
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Structural Black ERW Steel Pipe
High-frequency welded carbon steel tubular hollow sections for civil piling, space frame arches, and general utility pipe lines. Plain or beveled ends.
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Heavy Duty Pipeline Valves
Industrial gate, ball, and check valves matched directly with our pipe wall gauges and pressure ratings, ensuring reliable flow loops across construction sites.
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SAE1006 / SAE1008 Cold Drawn Wire
Low-carbon annealed and drawn wire for precision hardware, fasteners, mesh screens, and structural nail production with consistent tensile behavior.
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Structural Solid Flat Bar Q235 / Q355
Hot rolled black solid carbon flat bars from 3mm to 60mm thickness for mechanical components, steel grates, and heavy base frames.
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Direct Factory Quoting
Accelerate Your Hot Rolled Steel Supply Chain
Connect directly with our metallurgy engineers and export dispatch coordinators. Receive verified mill price schedules, dimension feasibility reviews, and international ocean freight quotes within 24 hours.