Description
Factory-direct hot rolled H-beams — every heat number verified against caliper readings before leaving Jinan, covering Q235B, Q345B, ASTM A36, A992, and S355JR in HW/HM/HN/IPE/W-shape profiles.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | Q235B / Q345B / ASTM A36 / A992 / S355JR Hot Rolled H-Beam |
| Product Type | H-Beam / I-Beam (Wide Flange Structural Steel Beam) |
| Steel Grade | Q235B, Q345B, ASTM A36, ASTM A992, ASTM A572, S355JR, S355J0, SS400 |
| Standard | GB, ASTM (A36 / A572 / A992), EN (S355JR/J0), BS, DIN, JIS, AISI |
| Section Shape | HW / HM / HN / IPE / IPN / W-shape |
| Size Range | 100×100 to 1000×300 mm |
| Flange Width | 100 mm – 900 mm |
| Flange Thickness | 8 mm – 64 mm |
| Web Thickness | 4.5 mm – 36.5 mm |
| Length | 6m / 9m / 12m or as requested |
| Technique | Hot Rolled |
| Surface Treatment | Hot Rolled (Black) / Hot Dip Galvanized / Customized Coating |
| Tolerance | ±1% |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting |
| Application | Steel building structures, industrial platforms, bridge construction, retaining wall posts, support rail systems, prefab cabin frames |
| MOQ | 1 Ton |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Commercial & Industrial Construction | Primary building frames, mezzanine floors, portal frame warehouses |
| Infrastructure & Bridge Engineering | Bridge support girders, retaining wall posts, highway gantry columns |
| Industrial Platforms & Energy | Pipe rack structures, conveyor support frames, wind turbine base platforms |
| Prefabricated Structures | Prefab cabin frames, modular workshop columns, agricultural building skeletons |
When Flange Thickness Tolerance Decides Site Acceptance
A beam that passes the mill cert but fails the caliper test costs you three weeks at port.
Structural steel buyers regularly face specification gaps when non-standard H-beam sizes are required — standard catalogs stop at certain dimensions, and custom orders push lead times beyond project deadlines. Fragmented sourcing across multiple beam suppliers for different profiles multiplies coordination costs and delivery risks. Missing or incomplete CE/ISO certifications trigger customs holds that no amount of expediting can fix. [NEED_CITE: EN 10219 hot rolled structural section dimensional tolerances]
Matching Profile Dimensions to Structural Load Paths
Hot rolled H-beams in HW/HM/HN profiles distribute bending moments through their flange-to-web geometry, making them the default choice for column-and-beam frameworks in commercial buildings and industrial plants. The 100×100 to 1000×300 mm range covers everything from secondary purlin supports to primary portal frame rafters. For corrosion-prone environments such as coastal infrastructure or chemical plant platforms, hot dip galvanized finish extends service life without field painting. Our ASTM A36 A992 Q235B Q345B hot rolled H-beam structural steel supplier capability spans both black and galvanized finishes from the same production line, eliminating the need to split orders between carbon and coated specialists.
Engineering Code Compliance and Certification Requirements
Structural frames designed to EN 1993 (Eurocode 3) require S355JR or S355J0 grade beams with verified Charpy impact values at specified test temperatures — a requirement that separates compliant European deliveries from rejected shipments. [NEED_CITE: steel grade equivalence between EN and ASTM standards] North American projects calling for ASTM A992 for W-shapes demand mill test certificates showing chemical composition and mechanical properties traceable to heat numbers. Chinese domestic projects typically specify Q235B or Q345B per GB/T 11263. CE certification under EN 10210/10219 and FPC factory production control documentation are mandatory for EU customs clearance on structural sections. [NEED_CITE: CE marking requirements for hot rolled structural steel in European Union]
Steel Grade Selection Across International Standards
The Q-series (Q235B, Q345B) follows Chinese GB standards where the number indicates minimum yield strength in MPa — Q345B delivers higher load capacity than Q235B for the same cross-section, allowing weight optimization in heavy-duty industrial frames. ASTM A36 and A992 represent American standard grades: A36 serves general structural use while A992 is the preferred grade for W-shapes in building construction with tighter chemical controls. European S355JR and S355J0 differ in impact testing temperature — JR at +20°C, J0 at 0°C — making J0 the correct selection for cold-climate or dynamically loaded structures. Hot rolling produces the profile shape at elevated temperatures, resulting in residual stress patterns different from welded built-up sections and influencing connection design decisions. Surface treatment choice between black hot rolled and hot dip galvanized depends on the exposure environment: indoor warehouse frames typically remain black, while outdoor bridge components and coastal platforms require galvanizing for corrosion protection.
The Hidden Cost of Unverified Mill Certificates
A mill test certificate that looks correct on paper means nothing if the actual flange thickness runs under tolerance — third-party inspectors at destination ports measure every piece with calibrated tools, and rejected containers sit at terminal yards accumulating demurrage charges while replacement material is manufactured and shipped. [NEED_CITE: structural steel inspection requirements for international shipments] Material traceability failures — heat numbers on certificates not matching physical markings on beams — cause entire batches to fail acceptance testing regardless of actual material quality. Certification gaps in CE documentation or missing FPC factory declarations result in customs rejection for EU-bound shipments, with no amount of retroactive paperwork solving the problem after containers arrive.
Why Procurement Teams Source Structural Beams From Jinan
Every heat number is personally verified against caliper readings before material leaves the warehouse — a practice established after watching flange thickness discrepancies cause three-week delays at Jebel Ali port. The factory operates three simultaneous production lines with monthly capacity exceeding 20,000 tons, covering the full range from 100×100 mm light sections to 1000×300 mm heavy beams without subcontracting. In-house laboratory conducts three-stage inspection with original mill test certificates issued for every shipment, and SGS/BV third-party inspection is available on request for buyers who require independent verification. The facility stocks standard HW/HM/HN/IPE profiles for immediate dispatch while custom lengths and non-standard dimensions are produced within typical lead times. Professional export documentation handling covers commercial invoices, packing lists, certificates of origin, and customs classification — reducing clearance delays at destination ports.
Documentation & Compliance
- Mill test certificate documenting Q235B/Q345B/ASTM A36/A992/S355JR chemical composition and mechanical properties per GB/ASTM/EN standards, traceable to heat number
- CE certificate (EN 10210/10219) and FPC factory production control declaration for European market structural steel compliance
- ISO 9001:2015 quality management system certificate covering hot rolled H-beam production processes
- SGS or BV third-party inspection report available upon request, covering dimensional verification and material testing before container loading
- Material traceability documentation linking each beam to its heat number through mill test certificate cross-reference
- Complete customs document package including packing list, bill of lading, certificate of origin, and commercial invoice with HS code classification
Packaging, Loading & Delivery
- Hot rolled H-beams bundled with steel strips and edge protectors, seaworthy packaging designed for 6m/9m/12m lengths to prevent deformation during ocean transit
- Hot dip galvanized beams packed with protective separators between layers to preserve zinc coating integrity during handling and transport
- Container loading optimized by professional team for mixed-size H-beam orders, maximizing weight utilization within 20ft and 40ft open-top or flat-rack containers
- Heat number and steel grade markings stenciled on each beam end for site identification and inspection traceability
- FOB/CIF/CFR trade terms available with door-to-door logistics coordination for project sites requiring direct delivery
- Custom cutting to project-specific lengths available before shipment, reducing on-site waste and secondary processing costs
Requesting Quotation and Technical Documentation
Submit your H-beam requirements including profile dimensions (HW/HM/HN/IPE/W-shape), steel grade specification, quantity in tons, surface treatment preference, and destination port — a detailed quotation with volume pricing, mill test certificate confirmation, and production timeline follows within 12 hours. Non-standard dimensions and custom length requests receive technical feasibility review with alternative profile suggestions when exact sizes fall outside standard rolling schedules. Certification requirements for destination country customs clearance are confirmed before contract signing to prevent documentation-related delivery delays.
Frequently Asked Questions
Q: How do Q235B, Q345B, ASTM A36, A992, and S355JR compare across different standard systems?
A: These grades represent Chinese (Q-series), American (ASTM), and European (EN) standard systems respectively, with the designation numbers indicating minimum yield strength in MPa for Q-series and S-series grades. ASTM A36 and A992 serve similar structural functions in North American projects, with A992 offering tighter chemical controls for W-shape applications. Cross-reference tables are available for projects requiring grade substitution between standards.
Q: What documentation is provided with each shipment and can third-party inspection be arranged?
A: Every shipment includes original mill test certificates documenting chemical composition and mechanical properties traceable to heat numbers. SGS or BV third-party inspection is available on request before container loading, covering dimensional verification, visual inspection, and material testing. CE certificate and FPC documentation are provided for EU-bound shipments requiring EN 10210/10219 compliance.
Q: Can non-standard H-beam dimensions be produced and what is the minimum order quantity?
A: Custom flange widths, web heights, and thicknesses outside the standard 100×100 to 1000×300 mm range can be produced based on technical drawings and engineering specifications. The minimum order quantity is 1 ton for both standard stock items and custom production orders, with typical production lead times confirmed after specification review.
Q: When should hot rolled black finish be selected versus hot dip galvanized for structural beams?
A: Hot rolled black finish suits indoor applications such as warehouse frames and industrial building structures where corrosion exposure is minimal and field painting or fireproofing will be applied. Hot dip galvanized finish is specified for outdoor exposure environments including bridge components, coastal infrastructure, chemical plant platforms, and applications where maintenance painting access is limited.
Q: How are H-beams packed for seaworthy shipping and what trade terms are available?
A: H-beams are bundled with steel strips and edge protectors in seaworthy packaging designed to prevent deformation during ocean transit. Galvanized beams receive additional protective separators between layers. FOB, CIF, and CFR trade terms are available with professional container loading optimization for mixed-size orders and complete export documentation handling.
Get Your H-Beam Quotation With Mill Test Certificates
Submit your profile specifications, steel grade requirements, and quantity to receive factory-direct pricing with complete documentation package within 12 hours.
Contact: Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@sdxinjiyuan.com
Website: www.sdxinjiyuan.com
