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Q235B Carbon Steel H-Beam
Q345B carbon steel H-beam provides high strength and excellent load-bearing capacity. It is widely used in construction, bridges, steel structures, and industrial frameworks.

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Product Description

Specifications Table


PropertyValue / Range
GradeQ345B (Equivalent ASTM A572 Gr.50)
Height100 mm – 1000 mm
Web Thickness5 mm – 80 mm
Flange Thickness5 mm – 80 mm
Length6 m – 12 m (custom available)
Yield Strength≥ 345 MPa
Tensile Strength470 – 630 MPa
Elongation≥ 20%


Chemical Composition (%)


CMnSiPS
≤0.201.0–1.6≤0.55≤0.035≤0.035


Key Features & Benefits


  • High load-bearing strength for large-span and heavy-load structures

  • Excellent weldability and machinability for fabrication flexibility

  • Stable structural performance with minimal deformation under load

  • Cost-effective compared to other alloy steels

  • Versatile design – available in various sizes for different projects


Applications


  • High-rise building frameworks

  • Industrial plant structures

  • Bridges, railway stations, and airports

  • Large-scale warehouses and workshops

  • Offshore platforms and shipbuilding


Production Process


  1. Raw material steel billet selection

  2. Hot rolling into H-beam shape

  3. Straightening and cutting to length

  4. Surface treatment (shot blasting, anti-rust coating)

  5. Quality inspection (mechanical test, chemical analysis)


Quality Assurance


  • Complies with GB, ASTM, JIS, EN standards

  • Mechanical and chemical testing for every batch

  • Ultrasonic flaw detection to ensure defect-free beams

  • Third-party inspection (SGS, BV, Lloyd’s Register) available


Packaging & Delivery


  • Bundled with steel straps for stability

  • Surface coated with anti-rust oil or paint

  • Can be loaded in containers or bulk vessel

  • Custom labeling with size, grade, and batch number


Product Real Shot


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Packaging and Shipping


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FAQ


Q1: What product information must I provide before making a purchase?
A: Please provide the grade, width, thickness, surface treatment requirements, and the quantities you need.

Q2: What about product pricing information?
A: Prices may vary due to fluctuations in raw material costs.

Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.

Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.

Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.

Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.



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