Description
Q235B Q355B Hot Rolled H-Beam Steel Supplier Factory Direct
Full-Range Structural Steel, One Shipment — Hot rolled H-beams from 100×100 to 1000×300 in Q235B, Q355B and international equivalents, shipped with original mill certificates and CE marking from our Jinan mill.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | Q235B/Q355B H-Beam Steel |
| Product Type | H-Beam Steel |
| Steel Grade | Q235B, Q355B, S235JR, S355JR, SS400, A36, ASTM A992, ASTM A572 Grade 50 |
| Standard | BS, EN, GB, AISI, ASTM, DIN, JIS |
| Section Shape | H-Beam |
| Size Range | 100×100 – 1000×300 |
| Flange Thickness | 8mm – 64mm |
| Web Thickness | 4.5mm – 36.5mm |
| Web Width | 100mm – 900mm |
| Length | As requested (standard 6m / 12m) |
| Technique | Hot Rolled |
| Tolerance | ±1% |
| Surface Treatment | Painted / Galvanized / Customized Colors |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting |
| Packing | Seaworthy packing |
| Application | Steel structure construction, warehouse building, industrial building, poultry farm, structural frames, columns |
| MOQ | 1 Ton |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Construction | Warehouse frames, factory column grids, mezzanine beam systems |
| Infrastructure | Bridge support piers, conveyor gallery structures, equipment platforms |
| Agricultural Facilities | Poultry farm main frames, large-span greenhouse columns, feed storage structures |
| Commercial Building | Multi-story steel beam frameworks, parking structure columns |
What Steel Grade Equivalence Costs You at Customs
A container of H-beams held at Rotterdam because the mill certificate lists Q355B while the project spec calls for S355JR — and no equivalence document is on file.
I have seen procurement teams discover too late that their supplier’s mill test certificate does not map to the European or American grade specified by the engineer. The beam chemistry and mechanical properties may actually meet the requirement, but without a recognized equivalence statement or dual-certified material, customs holds the cargo and the site waits. [NEED_CITE: steel grade equivalence between EN and ASTM standards]
Fragmented sourcing makes this worse. Pipes from one vendor, beams from another, plates from a third — each with different certificate formats, different heat numbers, and no single party responsible for cross-referencing grades. When Q355B arrives on a project designed to EN 1993, the site engineer cannot approve installation without documented proof of equivalence.
Matching Beam Dimensions to Structural Load Paths
A 1000×300 H-beam with a 36.5mm web carries fundamentally different load than a 100×100 section with an 8mm flange. The Q235B Q355B hot rolled H-beam steel supplier range from 100×100 to 1000×300 lets engineers select sections matched to calculated bending moments without stepping up to heavier grades unnecessarily. For warehouse portal frames, the larger sections serve as rafters and columns; for mezzanine platforms, mid-range sizes handle beam-and-column grids. Our mill holds standard sections in stock so that trial orders and urgent replacements ship within typical production lead times rather than waiting for a new rolling campaign.
Engineering Compliance and Certification Requirements
Structural H-beams for European projects must comply with EN 10219 or EN 10210 dimensional and material tolerances, while North American projects reference ASTM A992 or A572 Grade 50. [NEED_CITE: EN 10219 cold-formed hollow section requirements] The hot rolled technique with ±1% tolerance ensures that flange and web dimensions meet structural analysis assumptions. Surface treatment selection — galvanized for coastal or chemical environments, painted for indoor warehouse use — directly affects long-term corrosion resistance and maintenance intervals. Every batch ships with original mill test certificates traceable by heat number, and Lloyd’s CE certification supports EU customs clearance without additional testing delays.
Understanding Grade Selection and Hot Rolled Process
Q235B and Q355B represent the two most widely specified Chinese structural grades, with Q355B offering higher yield strength for heavier load applications. Their international equivalents — S235JR and S355JR under EN standards, A36 and ASTM A572 Grade 50 under ASTM — share similar chemical composition ranges and mechanical property bands. [NEED_CITE: steel grade equivalence between EN and ASTM standards] Hot rolling at high temperature produces a uniform grain structure through the web and flange thickness, which gives consistent mechanical properties across the full section. This matters for welded connections: the heat-affected zone behaves predictably when the base metal has uniform through-thickness characteristics. Flange thickness ranging from 8mm to 64mm and web thickness from 4.5mm to 36.5mm cover everything from light portal frames to heavy industrial crane beams.
The Hidden Price of Unverified Material
A beam that fails visual inspection at the port because the heat number on the stamp does not match the certificate costs far more than the price difference between a verified supplier and a broker. [NEED_CITE: structural steel material traceability requirements] Re-testing, re-certification, or outright rejection means the project either delays or sources emergency replacement tonnage at premium spot prices. Negative tolerance abuse — where actual web thickness falls below the specified minimum — reduces load capacity and creates safety liability that no amount of paperwork can resolve. Working with a Q235B Q355B hot rolled H-beam steel supplier who controls production and issues original mill certificates eliminates this category of risk entirely.
Why Procurement Teams Consolidate with Xin Jiyuan
Our Jinan mill operates three production lines with monthly capacity exceeding 20,000 tons, covering more than 2,800 specifications across H-beams, square tubes, round pipes, plates, and section steel. Factory-direct pricing removes intermediary markups, and volume discount programs reward long-term partners with predictable cost structures. Every order includes original mill test certificates, and third-party inspection by SGS or BV is available at the loading stage for buyers who require independent verification. Our export team handles container loading optimization — critical for heavy H-beams where weight distribution and lashing determine whether a 20ft container reaches its maximum payload or sails partially empty. Custom cutting to specific lengths, pre-drilled holes, and painted or galvanized surface finishes ship ready for installation, reducing on-site labor and waste.
Documentation & Compliance
- Mill test certificate documenting Q235B or Q355B chemical composition and mechanical properties per GB/T 706, with heat number traceability
- Lloyd’s CE certificate per EN 10210/EN 10219 for projects requiring European conformity marking
- ISO 9001:2015 quality management certificate covering the full production and inspection process
- SGS or BV third-party inspection report available upon request for independent dimensional and material verification
- Dual-grade equivalence statement mapping Q355B to S355JR or ASTM A572 Grade 50 when project specifications require it
- Complete customs documentation package including packing list, bill of lading, and certificate of origin
Packaging, Loading & Delivery
- Hot rolled H-beams bundled with high-tensile steel strips and edge protectors to prevent coating damage during ocean transit
- Galvanized beams packed with separation layers to preserve zinc coating integrity across the full surface
- Container loading plans optimized for 6m and 12m lengths to maximize weight per 20ft or 40ft container, reducing per-ton freight cost
- Custom cutting to project-specific lengths available, with each piece marked with heat number, steel grade, and length for site identification
- FOB, CIF, and DDP shipping terms with professional documentation handling for destination-country customs requirements
Starting Your H-Beam Procurement
Submit your specification list — section sizes, steel grades, quantities, and destination port — and receive a competitive bulk quotation within 12 hours, complete with volume pricing, mill certificate samples, and container loading estimates. For non-standard lengths or special surface treatments, our engineering team provides custom processing options and lead time confirmation before you commit.
Get Your H-Beam Quote with Mill Certificates
Send specifications to admin@sdxinjiyuan.com or contact via WhatsApp at +86 188 5315 7756 for pricing, material certificates, and delivery schedules.
Frequently Asked Questions
Q: Can you provide equivalence documentation between Q355B and S355JR for European projects?
A: Yes. We supply dual-grade equivalence statements mapping Chinese GB grades to EN and ASTM equivalents, supported by mill test certificates showing actual chemical composition and mechanical test results. This documentation satisfies most European engineer approval requirements without additional testing.
Q: What is the minimum order quantity for hot rolled H-beams?
A: The MOQ is 1 Ton, which supports trial orders for new projects or small supplementary quantities. Full container loads receive volume-based pricing, and mixed-size orders can be consolidated into a single shipment.
Q: Can H-beams be cut to specific lengths and pre-drilled before shipping?
A: Yes. Our processing services include cutting to project-specified lengths, punching, and welding preparation. Each processed piece is marked with heat number and grade for site traceability, reducing on-site labor and material waste.
Q: How do you ensure dimensional accuracy for structural applications?
A: Hot rolled H-beams are produced to ±1% tolerance on dimensions. Our in-house quality control conducts three-stage inspection covering dimensional checks, surface quality, and mechanical properties. Third-party inspection by SGS or BV is available for buyers requiring independent verification.
Q: What surface treatment options are available for corrosive environments?
A: We offer galvanized coating for coastal or industrial environments, painted finishes in custom colors for architectural applications, and bare mill finish for projects where site-applied coating systems are specified. Surface treatment selection depends on the installation environment and project maintenance strategy.



