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Carbon I-Beam
Carbon I-beam (also called rolled steel joist, RSJ) is a structural steel profile shaped like the letter "I," consisting of a vertical web and two horizontal flanges. Made from carbon steel, it is widely used in construction and industrial applications due to its high strength-to-weight ratio, cost-effectiveness, and ease of fabrication.
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Product Parameters

Features


1. Material Grades     ASTM A36 – General-purpose structural steel (good weldability and   strength).
    A572 Gr.50 – High-strength low-alloy (HSLA) steel for heavy loads.
    Q235B (China GB Standard) – Mild steel for general construction.
    SS400 (JIS Standard) – Japanese structural steel grade.
   
    2. Types & Dimensions     Standard I-Beam (S-Shape) – Sloped inner flange surfaces (e.g.,   S12x50).
    Wide Flange I-Beam (W-Shape) – Parallel flanges for better load   distribution (e.g., W8x31).
    Lightweight I-Beam (M-Shape) – Thinner web and flanges for lighter structures.
   
    Common Sizes:
    Depth (Web Height): 3" – 24" (75mm – 600mm)
    Flange Width: 2" – 12" (50mm – 300mm)
    Weight per Foot: 5 lb/ft – 120 lb/ft (7.5 kg/m – 180 kg/m)
   
    3. Advantages     High Load-Bearing Capacity – Ideal for beams, columns, and support   frames.
    Cost-Effective – Lower material cost compared to stainless/alloy   steel.
    Easy to Weld & Cut – Compatible with common fabrication methods.
    Widely Available – Standardized sizes for quick procurement.
Common Applications


Construction:   Building frames, bridges, roof supports.
    Industrial: Factory   floors, crane rails, machinery bases.
    Infrastructure:   Transmission towers, railway tracks.
    Residential: Basement   beams, garage door headers.


Product Display

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Product Application

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Product Packaging

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Factory Display
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FAQ

Q:Can I get samples before order ?

A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

Q:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q:How can I get a quotation from you ?

A:You can leave us message, and we will reply every message in time. Or we may talk on line.

Q:What product information do I need to provide?

A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.

Q:What are the advantages of your company?

A:（1）More Than 30 year's Experience

（2）The company is a modern steel enterprise group integrating precision manufacturing, spot warehousing, international logistics, and product deep processing.

（3）World-class production equipment, product quality that meets international certifications, and timely and thoughtful after-sales service

（4）Never stop product research and development and innovation to create high-quality products that meet the global standards.

（5）Integrity business philosophy, the highest quality products, the most reasonable prices, and a global marketing network.

Q:How do we trust your company?

A:We specialise in steel business for years as golden supplier on Alibaba, headquarter locates in liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, you could place an order in Alibaba with trade assurance which could secure your payment.

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