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Steel I Beam

In the field of steel structure engineering, I-beams have become an indispensable supporting material for industries such as construction, bridges, and machinery manufacturing due to their unique cross-sectional shape and excellent mechanical properties.

As a professional supplier with many years of experience in steel trade, our company is committed to providing customers with a full range of products including international standard I-beams, hot-rolled I-beams, and light I-beams.

    Definition and structural advantages of I-beam

    The I beam is named for its "I"-shaped cross section. Through the scientific ratio of the upper and lower flanges and the web, it has the characteristics of high bending strength, light weight and strong stability. Compared with ordinary channel steel, its section modulus is increased by 30%-50%, which is particularly suitable for load-bearing scenarios of large-span structures.

    Mainstream classification and implementation standards

    Classification standard        Type Typical model Application area
    Production process Hot-rolled I-beam 10#-63# Factory frame, equipment base
        Welded I-beams Customized specifications Special size engineering projects
    Cross-sectional shape                          Ordinary I-beam                      I16-I63                                                 Conventional building structure
     H beam                    HW/HM/HE series High-rise buildings, heavy-load platforms
    Material grade                                         Q235B plain carbon steel -                                                        General load-bearing structure
    Q355B low alloy steel - High-load bridges, heavy machinery
    Specifications: Expressed in millimeters as waist height (h) × leg width (b) × waist thickness (d) (such as "工160×88×6"), or in numbers (such as 18 represents a height of 18cm, and different sizes of the same height are distinguished by a/b/c, such as 36a#).

    ‌Application

    I Beam Steel


    Due to its mechanical properties, 
    I beam steel is widely used in building structures (such as beams, columns, stairs), bridge construction (beam support), machinery manufacturing (brackets/drive shafts), vehicle manufacturing (frames) and ship structures.

    It is important to note its limitations: due to the large difference in the moment of inertia of the principal axes of the cross section, it is only suitable for bending in the web plane or forming lattice components, and is not suitable for scenes with axial compression or vertical web bending.

    Features ‌

    Excellent mechanical properties: I-beams have excellent mechanical properties, can withstand large bending and pressure, and are suitable for various buildings and mechanical structures.

    Standardized production: The specifications of I-beams are expressed in centimeters of waist width, such as the waist width of No. 10 I-beams is 10cm. The specifications are diverse and can meet different engineering needs.

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    Lightweight design

    Lightweight I-beams have narrow flanges, thin webs, and are light in weight, making them suitable for lightweight building structures.

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    ‌Good weldability

    I-beams are easy to cut and weld, with flexible designs and can be adjusted as needed.

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    Strong durability

    I-beams are resistant to aging, have a long service life, and have excellent impact and wear resistance.

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    ‌Versatility

    I-beams also have good insulation, magnetic permeability, and fire retardant properties.

    Why choose us?

    i beam


    1. Strictly selected materials ensure structural safety

    Raw material traceability: Cooperate with China's first-tier steel mills and provide material certificates.

    Mechanical properties meet standards: tensile strength ≥375MPa (Q235), elongation ≥26%
    2. Intelligent processing services

    Service type Equipment accuracy Processing range Applicable scenarios
    Laser cutting ±0.5mm Maximum 12 meters Precise hole opening, special-shaped cutting
    End milling Flatness 0.1mm/m² Cross section ≤800mm High-precision assembly interface
    Hot-dip galvanizing Zinc layer ≥85μm Single piece ≤15 tons Outdoor anti-corrosion requirements
    ibeam
    i beam
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    About us

    We are mainly engaged in steel export trade of the following steel products:HRC/HRS,CRC/CRS,GI,GL,PPGI,PPGL,ROOFING SHEETS,TINPLATE,TFS,STEEL PIPES/TUBES,WIRE RODS,REBAR,ROUND BAR,BEAM AND CHANNEL,FLAT BAR ETC. Our Products are widely used in: hardware, machinery, electrical appliances, vehicle parts, construction and other industries. 

    We mainly export to South America (35%), Africa (25%), the Middle East (20%), Southeast Asia (20%). Good corporate reputation, won the trust of our customers. In these areas we have established stable and long-lasting relationships with many customers based on our honesty, high quality product, reasonable price, and sincere service. 

    Tianjin Lishengda Steel Group has always followed international trade practices, adhering to the business philosophy of abiding by contracts, keeping promises, quality service, and mutual benefit. We are willing to sincerely cooperate with friends at home and abroad to develop together.
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      Yes, we would the goods test before delivery.

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