S235JR I Beam

S235JR I Beam

I-beam is an important structural material and has become an indispensable part of construction projects due to its excellent mechanical properties and wide range of application scenarios. According to specific needs, I-beams of different materials, specifications and types can be selected to meet the design requirements of various projects.
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Product Specifications

Product NameS235JR I Beam
GradeQ235/Q345/S355/S235/SS400/ASTM36
TechniqueHot Rolled
Length6~12m or as customized
Flange Width68-180mm
Flange Thickness7.6-22mm
Web Width100-630mm
Web Thickness4.5-17mm
Tolerance±3%
Processing ServiceBending, Welding, Decoiling, Punching, Cutting
Surface treatmentHot Dip Galvanised/Painting or Black
Applicationmechanical/manufacture/building/bridging

Product Details

What is I-beam?

I-beam, also known as steel beam, is a long steel bar with an I-shaped cross section. Its unique cross-sectional design, including flanges and webs, gives it excellent strength and rigidity when subjected to bending and shear forces. This type of steel is widely used in many fields such as construction, bridges, and machinery manufacturing, and is an indispensable load-bearing component in engineering structures.


I-beam Classification

Ordinary I-beam: This is the most common type of I-beam, with standard cross-sectional shapes and sizes, suitable for a variety of conventional building structures, machinery manufacturing, and vehicle manufacturing.

Lightweight I-beam: Compared with ordinary I-beams, light I-beams have narrower flanges and thinner webs, so they are lighter and suitable for occasions with specific weight requirements, such as those that need to reduce the deadweight of the structure or facilitate transportation and installation.

Wide-flange I-beam: Its cross-sectional characteristics are that the two legs are parallel and there is no inclination on the inside, and the flange width is larger, providing better lateral support capacity. Wide-flange I-beams are usually used for large building structures that require higher load-bearing capacity and stability, such as high-rise buildings, large bridges, etc.

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Advantages of I-beam

Design flexibility: The plasticity of I-beams makes cutting, bending and welding simple and easy, and its design flexibility also allows I-beams to be precisely adjusted according to actual needs.

Strong durability: I-beams have excellent aging resistance and long life. Their impact and wear resistance surpass many other materials, ensuring their stability and durability during use.

Light weight: I-beams are relatively light, and the construction process is simple and fast, which can save construction time and effectively improve the progress of the project.

Good physical properties: I-beams also have good insulation, magnetic permeability, and excellent fire retardant and insulation properties.

Low processing cost: The cost of hot-dip galvanizing for rust prevention is lower than that of other paint coatings.

Comprehensive coating protection: The galvanizing layer and the steel are metallurgically bonded, the coating is durable and reliable, and every part of the plated part can be galvanized, even in recesses, corners and hidden places.

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Quality Control

We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.


Application of I-beam

Building structure: I-beams are often used as load-bearing components of building structures such as beams, columns, stairs, and platforms. Their high strength and compressive resistance make buildings more solid and durable.

Mechanical manufacturing: In the field of mechanical manufacturing, I-beams are widely used to manufacture supporting components, transmission shafts, brackets and other parts of various mechanical equipment. They have regular shapes, accurate sizes, and are easy to process and install.

Bridge construction: I-beams play an important role in bridge construction. They are often used in beam-type supporting components, bridge deck beams and other parts of bridges. Their high strength and rigidity can support the weight of bridges and vehicle loads.

Vehicle manufacturing: I-beams are also widely used in the manufacture of vehicles such as automobiles and trains. They are used in parts such as frames, suspension systems, and chassis structures to improve the safety and stability of vehicles.

Other fields: In addition, I-beams are also used for structural parts such as keels and bottom beams in shipbuilding, as well as equipment structure support in industrial fields such as petrochemicals and electric power.


Product Inventory

As a leading company, we are known for our excellent product quality and professional services, providing our customers with a reliable partner. We have a global sales network that can meet the needs of customers in different countries and regions.


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Full-Link Trust Service System

—— Guarantee services

Pre-sales Trust Services (Reducing Decision-Making Risks)

Free Samples: We provide free samples accompanied by material certificates, allowing customers to inspect the products before placing orders.

Customized Solutions: Based on customers' application scenarios, applicable standards, budgets and delivery schedules, we provide multiple sets of steel selection and cost comparison solutions, with clear marking of quality risk points and corresponding control measures.

—— Guarantee services

Pre-sales Trust Services (Reducing Decision-Making Risks)

Free Samples: We provide free samples accompanied by material certificates, allowing customers to inspect the products before placing orders.

Virtual Factory Tour + Live Factory Inspection: We offer appointment-based virtual factory tours (covering production lines, laboratories and warehouses).

Customized Solutions: Based on customers' application scenarios, applicable standards, budgets and delivery schedules, we provide multiple sets of steel selection and cost comparison solutions, with clear marking of quality risk points and corresponding control measures.

—— Guarantee services

In-sales Transparent Management (Full Process Traceability)

Loading Supervision Service: We support loading supervision by customers themselves or third-party institutions, with photo and video records provided as evidence.

Logistics Visualization: We provide bills of lading, real-time logistics tracking information and estimated port arrival time, enabling customers to inquire about the logistics status at any time.

 

—— Guarantee services

In-sales Transparent Management (Full Process Traceability)

Production Live Streaming: For orders from large customers, we provide real-time live streaming and short videos of the production process, enabling customers to witness the quality control work on site.

Loading Supervision Service: We support loading supervision by customers themselves or third-party institutions, with photo and video records provided as evidence.

Logistics Visualization: We provide bills of lading, real-time logistics tracking information and estimated port arrival time, enabling customers to inquire about the logistics status at any time.

—— Guarantee services

After-sales Support Services (Building Long-Term Trust)

Technical Support: We offer professional guidance on steel application, recommendations for welding processes, diagnosis of quality problems, and provide free technical training (both online and offline).

Customer Profile Management: We establish exclusive service profiles for each customer, recording order details, quality inspection results, delivery information and after-sales records.

—— Guarantee services

After-sales Support Services (Building Long-Term Trust)

Technical Support: We offer professional guidance on steel application, recommendations for welding processes, diagnosis of quality problems, and provide free technical training (both online and offline).

Customer Profile Management: We establish exclusive service profiles for each customer, recording order details, quality inspection results, delivery information and after-sales records. We conduct regular follow-up visits and proactively remind customers of inventory status and new product launches.

why choose us

Precision Manufacturing

Equipped with advanced production lines and a skilled workforce, we ensure high dimensional accuracy and consistent quality in every batch. Our 19 years of OEM/ODM experience enable us to handle complex custom requirements with precision and efficiency.

Material Science

Our main products include carbon steel plates, carbon steel pipes, carbon steel coils, carbon steel wires, reinforcing bars, profiles, galvanized and painted steel plates, and other carbon steel series products, as well as various stainless steel products.

Quality Controll

Our manufacturing process is backed by rigorous quality inspections at every stage—from raw material selection to final packaging. We adhere to international standards to ensure reliable performance and long-term durability of all products.

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factory Showcase

Whether it's standard industrial profiles or complex irregular structures, we can provide reliable aluminum solutions to global customers with efficient delivery and consistent quality.

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