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A36 S355JR Q345B H-Beam Structural Steel Supplier Factory Direct
A36 S355JR Q345B H-Beam Structural Steel Supplier Factory Direct
A36 S355JR Q345B H-Beam Structural Steel Supplier Factory Direct
A36 S355JR Q345B H-Beam Structural Steel Supplier Factory Direct
A36 S355JR Q345B H-Beam Structural Steel Supplier Factory Direct
A36 S355JR Q345B H-Beam Structural Steel Supplier Factory Direct

Steel Tube & Structure Product

A36 S355JR Q345B H-Beam Structural Steel Supplier Factory Direct

Q235B Q345B ASTM A36 S355JR H-Beam Structural Steel, hot rolled / welded, web width 100–900 mm, flange thickness 8–64 mm, standard length 6m/9m/12m — available in EN 1090, AWS D1.1, and AISC compliance with full dimensional tolerance ±1%, supporting CNC cutting, drilling, welding, shot blasting, and painting per approved WPS. Factory-direct supply from own steel mill with complete Mill Test Certificates, weld maps, and third-party inspection support for global project delivery.

Category
H-BEAM
  • StandardsASTM · EN · GB
  • MOQNegotiable
  • CustomizationCut · Weld · Coat
  • DocumentsMTC 3.1

Product details

¥50.00

Q235B Q345B ASTM A36 S355JR H-Beam Structural Steel, hot rolled / welded, web width 100–900 mm, flange thickness 8–64 mm, standard length 6m/9m/12m — available in EN 1090, AWS D1.1, and AISC compliance with full dimensional tolerance ±1%, supporting CNC cutting, drilling, welding, shot blasting, and painting per approved WPS. Factory-direct supply from own steel mill with complete Mill Test Certificates, weld maps, and third-party inspection support for global project delivery.

Description

Factory-Direct H-Beam Supply — Own steel mill producing ASTM A36, S355JR, and Q345B hot rolled sections with full material traceability from billet to finished beam.

Technical Specifications

Parameter Value
Designation ASTM A36 / SM400A / SM400B / Q235B / Q345B / S235JR / S355JR H-Beam Structural Steel
Product Type H-Beam / Wide Flange Beam / I-Beam
Steel Grade Q235B, Q345B, ASTM A36, SM400A, SM400B, S235JR, S355JR, ASTM A572
Standard ASTM, BS, EN, GB, AISI, DIN, JIS (EN 1090, AWS D1.1, AISC)
Section Shape H-Beam / I-Beam / Wide Flange (HEA / HEB / IPE)
Web Width 100mm–900mm
Web Thickness 4.5mm–36.5mm
Flange Thickness 8mm–64mm
Length As per customer request (standard 6m / 9m / 12m)
Technique Hot Rolled / Welded
Surface Treatment Black / Galvanized / Painted (customized)
Tolerance ±1%
Packing Seaworthy packing
Application Steel building structures / Industrial platforms / Bridge construction / Warehouse and factory frames / Infrastructure projects
Origin Shandong, China

Application Suitability

Industry Typical Applications
Commercial Construction Warehouse frames, logistics center columns, factory building skeletons
Industrial Engineering Equipment support platforms, conveyor gantries, crane runway beams
Infrastructure Bridge girders, highway sound barrier structures, power transmission towers
EPC Projects Process pipe racks, tank farm supports, modular plant structures

Where Material Traceability Gaps Cause Customs Rejection on H-Beam Orders

A missing heat number on a mill test certificate can hold an entire container of ASTM A36 S355JR hot rolled H-beam structural steel at port for weeks.

When buyers source H-beams from trading companies rather than integrated mills, the material certification chain breaks at the first link. The steel arrives with a certificate referencing a heat number that cannot be verified against the actual production batch — and customs authorities in the EU, Middle East, and Southeast Asia increasingly flag these shipments for inspection. [NEED_CITE: EN 1090 structural steel component certification requirements for CE marking]

I have seen projects delayed because the fabricator could not produce weld maps matching the heat numbers stamped on the beam flanges. The buyer paid for re-inspection, re-certification, and air-freighted replacement sections while the ocean-shipped beams sat in a bonded warehouse. With our vertically integrated production line, every H-beam carries traceable chemistry from our own steel mill through to the finished fabricated component — one quality system, one point of accountability.

ASTM A36 S355JR hot rolled H-beam structural steel cross-section showing web and flange dimensions

How Wide Flange Dimensions Match Structural Frame Engineering

Hot rolled H-beams in the 100mm to 900mm web width range cover the majority of portal frame, moment frame, and braced frame configurations used in warehouse and industrial building design. The flange thickness range of 8mm to 64mm allows engineers to select sections that balance bending resistance with connection detailing — thicker flanges simplify bolted end-plate connections, while lighter sections reduce dead load on foundation design. Our ASTM A36 S355JR hot rolled H-beam structural steel inventory spans HEA, HEB, and IPE European profiles alongside American W-shape equivalents, so a single procurement package can serve multi-standard projects across Belt & Road markets without splitting orders between suppliers.

Structural Code Compliance and Surface Protection Selection

Engineering specifications for steel structures in the EU require EN 1090 execution class certification, while North American projects reference AISC 207 and AWS D1.1 welding standards. [NEED_CITE: steel grade equivalence between EN S355JR and ASTM A36 / A572 standards] Choosing between S235JR, S355JR, Q235B, and Q345B depends on the design load, seismic zone, and connection welding procedure — our engineering team reviews shop drawings to confirm grade substitution compatibility before fabrication begins. For corrosive environments such as coastal warehouses or chemical plants, hot-dip galvanizing or multi-coat paint systems are applied after shot blasting to Sa 2.5, with coating thickness verified by dry film testing and documented in the quality package.

Steel Grade Systems Explained for International Procurement

The ASTM system (A36, A572) dominates North American specifications, while EN designations (S235JR, S355JR) govern European and many Middle East projects. JIS grades SM400A and SM400B remain common in Southeast Asian infrastructure, and GB standards Q235B and Q345B are specified for domestic Chinese engineering with export adaptation. These grades are not directly interchangeable — S355JR offers higher minimum yield strength than A36, and the impact testing requirements differ between JR (room temperature) and J0/J2 (sub-zero) designations. Our hot rolled and welded H-beam production covers all major grade systems with certified chemical composition and mechanical properties documented per the originating standard. Surface treatment selection between black (mill finish), galvanized, and painted depends on the service environment, transport duration, and site installation sequence — we provide technical guidance based on project-specific conditions rather than defaulting to a single option.

Hot rolled H-beam surface treatment comparison showing black, galvanized, and painted finishes

The Hidden Cost of Unverified Tolerances and Missing Documentation

Ordering H-beams without confirmed dimensional tolerance and certified material documentation creates downstream costs that far exceed the initial price difference. Beams arriving with web or flange thickness below the specified tolerance force the fabricator to either reject the material or redesign connections — both options trigger schedule delays and engineering change orders. [NEED_CITE: dimensional tolerance standards for hot rolled structural sections per EN 10034 and ASTM A6] Missing weld procedure specifications or unqualified welder certifications mean the fabricated assembly cannot receive CE marking or AISC certification, blocking project handover. Our ±1% dimensional tolerance on hot rolled and welded H-beams is verified by in-process inspection, with full documentation including WPS, PQR, weld maps, and coating reports delivered before shipment.

Why Integrated Mill and Fabrication Source Matters for Project Buyers

Our own steel mill operates three production lines with over 2,800 specifications in stock, eliminating the gap between raw material supplier and fabricator that creates traceability uncertainty. Every ASTM A36 S355JR hot rolled H-beam structural steel order benefits from certified welding procedures (WPS/PQR), qualified welders holding AWS and EN certifications, and a complete quality documentation package prepared per international project requirements. Shop drawing review, material optimization, and fabrication sequencing support are provided by our engineering team before production begins — reducing RFI delays and rework costs. We serve general contractors, steel structure companies, and EPC firms across the EU, Middle East, Southeast Asia, and Africa with professional loading plans for oversized cargo and complete export documentation tracking through to site delivery.

Documentation & Compliance

  • Mill test certificate documenting ASTM A36, S355JR, or Q345B chemical composition and mechanical properties per the originating standard, with heat number traceability to our own steel mill production batch
  • CE certificate per EN 1090 for structural steel components exported to EU markets, including factory production control documentation and execution class declaration
  • ISO 9001 quality management certificate covering the integrated steel production and fabrication process from raw material receipt through final inspection
  • SGS or BV third-party inspection report available for pre-shipment verification of dimensional accuracy, surface treatment thickness, and welding quality
  • Material traceability report linking each H-beam to its heat number, chemical analysis, and mechanical test results for project quality auditors
  • Complete customs documentation package including packing list, bill of lading, certificate of origin, and commercial invoice formatted per destination country requirements

Packaging, Loading & Delivery

  • Hot rolled H-beams bundled with high-tensile steel strips at intervals matching the 6m, 9m, or 12m length, with edge protectors preventing flange damage during handling and transit
  • Galvanized H-beam sections wrapped with waterproof paper and plastic sheeting to preserve the zinc coating from moisture exposure during ocean shipping
  • Custom loading plans generated in 3D for container and breakbulk shipments, optimizing weight distribution and securing oversized beams with welded dunnage and lashing points
  • Custom-cut H-beams prepared to project-specific lengths with cut ends deburred and marked with heat number, steel grade, and piece identifier for site installation sequencing
  • Beam identification markings include heat number, steel grade designation, and piece mark stenciled on the web, matching the mill test certificate and shop drawing bill of materials
  • Delivery terms available as FOB, CIF, or DDP with professional oversized cargo handling and tracking through to project site or fabrication yard

How to Initiate a Project-Specific H-Beam Inquiry

Submit your project drawings in PDF or DWG format along with the required steel grades, section sizes, quantities, and applicable standards (EN 1090, AWS, AISC) — we respond within 24 hours with a preliminary assessment covering material availability, fabrication scope, and production scheduling. Our quotation includes material cost, fabrication charges, surface treatment, packing, and shipping estimates with a shop drawing timeline so you can evaluate the complete project delivery path before committing.

Start Your H-Beam Procurement with Verified Mill Certification

Share your project specifications and steel grade requirements to receive a detailed quotation with mill test certificate confirmation and shop drawing support.

Contact: Shandong Xin Jiyuan Special Steel Tube Co., Ltd

Website: www.xjystructure.com

Tel: +86 531 8573 6315

Mobile/WhatsApp/WeChat: +86 188 5315 7756

Email: admin@xjystructure.com

Address: No.11889, Jingshi West Road, Lulian Group, Jinan City, Shandong Province, China

Frequently Asked Questions

Q: Can you provide ASTM A36 H-beams with EN 1090 certification for EU projects?

A: Yes. Our integrated production line holds EN 1090 certification for structural steel fabrication, and we supply ASTM A36, S235JR, S355JR, Q235B, and Q345B H-beams with full CE marking documentation including factory production control records and declaration of performance.

Q: What is the dimensional tolerance on your hot rolled H-beams?

A: Our hot rolled and welded H-beams are produced to ±1% dimensional tolerance on web width, flange thickness, and length, verified by in-process inspection and documented in the dimensional inspection report delivered with each shipment.

Q: Do you offer custom cutting, drilling, and welding fabrication beyond standard beam supply?

A: Yes. Our fabrication workshop provides CNC cutting, plasma and flame cutting, drilling, bending, and welding services per approved WPS, with shot blasting and painting available as integrated downstream processing before shipment.

Q: How do you handle material traceability for multi-heat orders?

A: Each H-beam is marked with its heat number on the web, and the mill test certificate documents the chemical composition and mechanical properties for every heat in the order. Our own steel mill production ensures complete traceability from billet to finished beam without third-party sourcing gaps.

Q: What surface treatment options are available for H-beams in corrosive environments?

A: We offer black mill finish, hot-dip galvanizing, and multi-coat paint systems applied after shot blasting to Sa 2.5 standard. Coating thickness is verified by dry film testing and documented in the coating report included in the quality package.

Request For Quotation

Get a quotation for A36 S355JR Q345B H-Beam Structural Steel Supplier Factory Direct

Send us sizes, grades, tonnage or drawings. Our engineering team replies within 48 hours with pricing, process proposal and lead-time plan.

  • EN 1090EXC3
  • AWS D1.1WELDING
  • ISO 9001QMS
  • CE MARKFPC

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