I Beam
Your Leading I Beam Supplier
Gnee Steel (Tianjin) Co., Ltd. is a professional steel supplier specializing in high-quality I-Beam products for construction, industrial, and infrastructure projects worldwide. We supply I Beams in various standards and grades such as ASTM A36, A572, S235, S275, S355, Q235B, and Q355B, with customized sizes and lengths available according to project requirements.
Why Choose Us
Rich Experience
GNEE has been focusing on the field of profiles since 2008, mainly providing heavy-duty H-shaped steel, angle steel, channel steel, flat steel, round bars, steel plates and various profiles.
Advanced Equipment
We have 12 profile production lines and 7 steel plate production lines. Our series The automated production equipment is all imported.
Quality Guaranteed
We have obtained ISO, API, SGS, MTC and other quality certificates and can provide third-party testing, and the delivery terms can be AR, CR, TMCP, QT and N.
24H Online Service
We have established a 24-hour after-sales service system. Customers may reach our after-sales team at any time via phone, email, or online customer service to promptly report issues and receive professional support and solutions.
European Standard (EN 10025)
IPE & IPN beams in grades S235JR to S355JR, offering precise dimensions and high weldability for European-style infrastructure.
American Standard (ASTM)
High-strength W-beams & S-beams (ASTM A36/A572), the essential choice for North American steel buildings and bridges.
Chinese & Japanese Standards (GB/JIS)
Cost-effective Q235B, Q355B, and SS400 grades, providing reliable performance for large-scale industrial warehouses and framing.
Specialized Alloy Beams
Custom-engineered High-Strength/Low-Alloy beams designed for extreme loads and corrosive environments like offshore platforms.
Specifications of I Beam
| Parameter | Details |
|---|---|
| Product Name | China Manufacturer Hot Rolled Carbon Steel I Beam (IPE80–IPE750) |
| Product Type | Hot Rolled I Beam / IPE Beam / Structural Steel Beam |
| Brand / Grade | Q235, Q345, ASTM A36, A992, A572 Gr.50, A572 Gr.60, S235, S275, S355 |
| Standard | ASTM, EN, GB, JIS |
| Size Range | IPE80 – IPE750 |
| Thickness Range | 0.3 mm – 150 mm |
| Flange Width | 500 – 2000 mm (Customizable) |
| Length | 1000 – 6000 mm (Customizable) |
| Standard Sizes | 1220×2438 mm, 1220×3048 mm, 1524×3048 mm, 1524×6096 mm |
| Production Process | Hot Rolled |
| Surface Condition | Black surface / Shot blasted / Painted / Galvanized (Optional) |
| Certification | ISO, CE, BV, SGS |
| Application | Shipbuilding, petroleum & chemical industry, power plants, construction, machinery manufacturing, boiler & heat exchanger, infrastructure projects |
| Packing | Standard export sea-worthy packing (bundled with steel strips or as required) |
| Delivery Time | Within 7–15 days after deposit |
| Trade Terms | FOB, CFR, CIF, EXW |
| Payment Terms | T/T (30% deposit), L/C at sight |
Optimized Geometry: The "I" cross-section is engineered to provide a high moment of inertia, offering maximum load-bearing capacity with minimal material weight.
High Shear Resistance: The vertical Web is designed to withstand intense shear stress, preventing buckling and ensuring the structural integrity of the entire beam.
Superior Bending Stability: The horizontal Flanges work in tandem with the web to resist bending moments, making it ideal for long-span applications.
Flanges
The horizontal sections at the top and bottom.
Strength
Due to their geometry, I Beams are solid in terms of bending and shear loads.
Weight Distribution
The I shape ensures that most of the weight and resistance is located at the top and bottom, providing optimal bending resistance.
Building Construction
Steel I-beams are commonly utilized in building construction to provide structural support. They are used to produce beams, columns, and roof trusses, which provide a strong foundation for residential, commercial, and industrial buildings.
Bridges
Steel I-beams are a popular bridge construction material due to their great strength and ability to span long distances. They are used to make bridge girders, which provide support and stability for both automotive and pedestrian bridges.
Industrial Structures
Steel I-beams are commonly used in the construction of industrial structures like warehouses, factories, and manufacturing plants. They offer the structural underpinning required to sustain large machinery, equipment, and storage systems.
Mezzanine levels
Mezzanine levels, which are intermediary floors located between major floors, frequently require structural support. Steel I-beams are often utilized to provide a solid and strong basis for mezzanine floors in commercial and industrial structures.
Roof Support Systems
Roof support systems use steel I-beams to carry the weight of the roof structure and distribute it uniformly across the supporting columns or walls. They add structural integrity and stability to roofing systems, particularly in large-scale buildings.
Supporting Overhead Cranes
Overhead cranes are supported with steel I-beams in industrial environments. They provide a sturdy and stable foundation for the crane system, allowing for the efficient transfer of big cargoes around the facility.
Infrastructure Projects
Steel I-beams are used extensively in infrastructure projects such as tunnels, railway tracks, and airport terminals. They provide structural support for large-scale projects, assuring stability and safety.
Architectural Applications
Architectural applications include the creation of distinctive and visually interesting designs using steel I-beams. They can be exposed as part of the building's architecture, lending an industrial or modern feel to the overall architectural concept.
Preparation of Raw Material
Iron ore is the chief raw material for the production of I-beams. Molten iron is produced from blast furnaces of iron ore with coke and limestone. Meanwhile, scrap metal is sourced from different sources.
Steel Making Process
In a basic oxygen furnace (BOF), pure oxygen flows at high rates to oxidise the impurities from molten iron. In an electric arc furnace (EAF), the steel scraps are loaded in a furnace and an electric arc is generated to melt to scraps.
Continuous Casting procedure
By continuous casting, the liquid steel is converted into a semi-finished product which is a raw material for further process.
Rolling
The semi-finished products are then reheated and passed into the rolling mills which have multiple stands to shape into the desired steel shape.
Cooling and Straightening
The i-beams are then cooled using the cooling method and straightened to get the desired shape of the steel without any bending.
Cutting and Inspection
Finally, they are cut into the required lengths.
Packaging & Shipping
FAQ
Gnee Steel (Tianjin) Co., Ltd. is one of the leading i beam manufacturers and suppliers in China. We warmly welcome you to buy high-grade i beam for sale here and get free sample from our factory. All customized products are with high quality and low price.
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