Description
Factory-direct H-beam supply — Own steel mill produces Q235B Q345B hot rolled H-beam steel with full heat-number traceability, eliminating third-party material gaps.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | Q235B H-Beam |
| Product Type | H-Beam (Hot Rolled / Welded) |
| Steel Grade | Q235, Q345, Q355, SS400, A36, ST37-2, ST52, Q420, Q460, S235JR, S275JR, S355JR |
| Standard | JIS, ASTM A36 |
| Section Shape | H-Beam |
| Flange Width | 100mm–300mm |
| Flange Thickness | 8mm–28mm |
| Web Thickness | 6mm–16mm |
| Web Width | 100mm–900mm |
| Length | 6–12m/pc or customized |
| Technique | Hot Rolled / Welded |
| Surface Treatment | Natural Surface (paintable / galvanizable) |
| Tolerance | ±1% |
| Ends | Plain / Custom |
| Application | Industrial structures / Building frames / Steel structure fabrication / Infrastructure projects / Platforms and supports |
| MOQ | 1 Ton |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| EPC / General Contractors | Industrial facility frames, warehouse portal structures, equipment support platforms |
| Steel Structure Companies | Building construction columns, primary beams, truss chord members |
| Infrastructure Projects | Bridge walkway supports, conveyor gantry frames, pipeline rack structures |
| Plant Developers | Heavy machinery foundations, crane runway beams, mezzanine floor systems |
Where Material Traceability Gaps Cost You Rework on Structural Steel Orders
One quality system from raw slab to finished H-beam — no third-party sourcing, no certification blind spots.
When overseas buyers outsource structural steel fabrication, the most expensive failures start before welding begins: mill test certificates that don’t match physical material, heat numbers that can’t be traced back to the original melt, and mixed-grade beams arriving on site with no documentation to sort them. I’ve seen projects in the Middle East where Q345B and Q235B H-beams were bundled together without markings — the contractor’s third-party inspector rejected the entire lot, and two weeks of schedule vanished waiting for replacement material. [NEED_CITE: material traceability requirements in EN 1090 structural fabrication standards]
How Multi-Grade H-Beam Availability Matches Structural Engineering Demands
Structural engineers specify different steel grades based on load requirements, connection design, and environmental exposure. A warehouse portal frame in Southeast Asia might call for S235JR beams with simple bolted connections, while an industrial platform supporting dynamic equipment loads in the Middle East demands Q345B or S355JR sections with full-penetration welded joints. Our Q235B Q345B hot rolled H-beam steel supplier capability covers the full range from light-duty building frames to heavy-load infrastructure supports — with each heat number traceable to our own steel mill’s production records.
Structural Code Compliance and Certification for International H-Beam Projects
Engineering specifications for structural steel frames typically reference EN 1993 (Eurocode 3), AISC 360, or local equivalents that define material requirements, fabrication tolerances, and welding procedure qualifications. When your project requires EN 1090 EXC2 or EXC4 execution class certification for EU markets, or AWS D1.1 compliance for North American construction, the H-beam material must arrive with complete documentation: chemical composition, mechanical properties, and impact test results tied to specific heat numbers. [NEED_CITE: EN 1090 execution class requirements for structural steel fabrication] Our certified welding procedures and qualified welders ensure that shop drawings, material selection, and fabrication sequencing meet international standards — reducing the risk of customs delays or site rejection due to missing paperwork.
Understanding Steel Grade Selection for H-Beam Structural Applications
The Q-series (Q235, Q345, Q355) follows the Chinese GB standard system where the number indicates minimum yield strength in MPa. Q235B serves general construction with moderate load requirements, while Q345B and Q355 provide higher strength for heavy industrial structures and long-span applications. The S-series (S235JR, S275JR, S355JR) follows EN 10025, with the JR suffix indicating room-temperature impact toughness. ASTM A36 and JIS SS400 represent American and Japanese equivalents respectively. For projects requiring material substitution or grade equivalence verification, our engineering team reviews specifications against international standards to confirm compliance. [NEED_CITE: steel grade equivalence between Chinese GB, European EN, and American ASTM standards]
Hot rolled H-beams offer superior surface quality and dimensional consistency compared to welded alternatives, with natural surface conditions ready for shot blasting, primer application, or hot-dip galvanizing depending on corrosion protection requirements. The ±1% dimensional tolerance ensures that connection details — end plates, bolt holes, welded splices — fit as designed without costly field modifications.
Hidden Costs of Procuring H-Beams Without Verified Certification
Structural steel that arrives without proper mill test certificates or with mismatched heat numbers creates cascading problems: third-party inspectors halt acceptance testing, engineers reject fabrication drawings pending material verification, and project owners demand re-inspection at the fabricator’s expense. In worst cases, mixed-grade material already welded into frames requires destructive testing or complete disassembly — costs that far exceed the original material price difference between verified and unverified suppliers. [NEED_CITE: consequences of non-compliant structural steel in international construction projects]
Why Source Your H-Beam From an Integrated Steel Producer
Our Q235B Q345B hot rolled H-beam steel supplier operation eliminates the traditional gap between material supplier and fabricator. We produce raw steel in our own mill with over 2,800 specifications in inventory, then fabricate finished components in our dedicated structural steel workshop. This vertical integration means every H-beam carries a heat number traceable to our production records — no third-party sourcing, no documentation gaps, no blame-shifting when questions arise. Our engineering team reviews shop drawings for material optimization and fabrication sequencing, while our certified welders work to approved WPS procedures under ISO 9001 quality management. Complete documentation packages include WPS, PQR, weld maps, dimensional inspection reports, and coating reports — everything your project inspector needs for acceptance.
Documentation & Compliance
- Mill test certificate documenting Q235B/Q345B chemical composition and mechanical properties per GB/T 700 and GB/T 1591, with heat number traceability to our own steel mill production records
- EN 10204 3.1/3.2 type certificates available for EU projects requiring independent verification of material properties
- ISO 9001 quality management system certification covering the complete production chain from raw material to finished H-beam fabrication
- Third-party inspection reports from SGS, BV, or TÜV documenting dimensional accuracy, welding quality, and surface treatment compliance at any production stage
- Complete export documentation package including packing lists, bills of lading, certificates of origin, and material traceability records for customs clearance in EU, Middle East, and Southeast Asian markets
Packaging, Loading & Delivery
- Natural surface Q235B Q345B H-beams bundled with steel strips and edge protectors to prevent damage during ocean transit, with bundle weight optimized for 20ft and 40ft container loading
- Custom cut lengths from 6m to 12m reduce on-site waste and welding requirements, with cutting tolerances held to ±5mm for precise fit-up
- Heat number and steel grade markings stenciled on each beam end for easy identification during site sorting and installation
- Surface protection options include shop primer application for temporary corrosion resistance during transport, or bare condition ready for hot-dip galvanizing at destination
- FOB, CIF, and DDP shipping terms available with professional loading plans for oversized H-beam cargo, including lashing and bracing calculations for sea freight
How to Request a Quote for Your H-Beam Project
Submit your project drawings (PDF/DWG format) with specified steel grades, quantities, and required standards — we respond within 24 hours with a detailed quotation including material costs, fabrication services, surface treatment, and shipping to your destination port. Our engineering team reviews specifications for material optimization and provides shop drawing timelines before contract signing.
Get Your H-Beam Quote With Full Material Traceability
Share your project specifications and required steel grades to receive a detailed quotation with mill test certificate documentation within 24 hours.
Contact XJY Structure
Website: www.xjystructure.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@xjystructure.com
