S235JR Steel Round Bar

S235JR Steel Round Bar
S235JR Steel Round Bar is a European standard low carbon structural steel bar widely used for general engineering, fabrication, and construction applications. Manufactured according to EN 10025 standards, it offers a reliable combination of strength, ductility, weldability, and cost efficiency. The “JR” designation indicates impact toughness tested at room temperature, ensuring dependable performance in structural applications. Compared with higher-strength alloy steels, S235JR provides excellent forming and welding characteristics, making it easy to process and fabricate. It is commonly used for shafts, supports, frames, bolts, machinery components, and general steel structures. We supply S235JR Steel Round Bar with precise sizes, stable quality, and customized services.
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◉ Product Description

Product NameS235JR Steel Round Bar
ShapeRound bars
Length2m, 5m, 6m, 12m or as your required
Diameter5-2500mm or as your required
TechniqueHot rolled / cold rolled
StandardAISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc.
Surface TreatmentPassivationC),Oiling(O),Lacquer sealing(L),Phosphating(P),Untreated(U) galvanized,Pvc,black and color painting, transparent oil, anti rust oil
MaterialA53(AB)A106(A.B).0345,16Mn,10#.20#,45# S235JR, S355JR, Q320,Q360,Q410,Q460,Q490,ASTMA252,Gr.2,Gr.3.ST37,ST42,ST52,GrB, X42 X46 X52 X5 X6 X65 X70.30CrMo.etc
ApplicationDecoration, Construction, Upholstery, Water supplying, handrail, railing, staircase, door, window, balcony, fence, bench, furniture etc,
Shipment timeWithin 7-15 workdays after receiving deposit
Export packingStandard Export Seaworthy Package.Suit for all kinds of transport,or as require

◉ Product Display

Round Bar


Product Introduction


Steel Round Bar is a high-quality metal product widely used in construction, machinery manufacturing, automotive components, engineering structures, and industrial fabrication. Manufactured from carbon steel and alloy steel, it features excellent strength, toughness, wear resistance, and dimensional accuracy. With a smooth surface finish, uniform internal structure, and stable mechanical properties, steel round bars can meet the requirements of various machining, forging, welding, and structural applications. Available in a wide range of diameters and lengths, they can be supplied according to international standards and customized specifications to support different project needs.

Our Steel Round Bars are produced under strict quality control to ensure reliable performance and long service life in demanding working environments. They are commonly used for shafts, gears, fasteners, machine parts, tools, and heavy-duty components requiring high load-bearing capacity. We provide professional cutting, surface treatment, inspection, and customized processing services to help customers reduce production costs and improve efficiency. With competitive factory pricing, stable supply capacity, and global export experience, we are committed to delivering dependable steel round bar solutions for customers worldwide.


About Us


Jiangwei Metal is a professional manufacturer engaged in the research, development, production, sale and service.,  is committed to providing one-stop steel procurement services for global client.


Round Bar


Advantages of Steel Round Bars


1. High Strength and Excellent Load-Bearing Capacity

Steel Round Bar offers outstanding mechanical strength and high load-bearing capability, making it suitable for applications that require resistance to heavy pressure, impact, and continuous stress. Manufactured from carbon steel and alloy steel, it provides reliable performance in demanding environments such as machinery manufacturing, construction equipment, and industrial structures. Its stable strength properties help extend service life and improve the safety and durability of finished components.

2. Excellent Machining and Fabrication Performance

Steel Round Bar features good machinability, allowing easy cutting, drilling, turning, milling, and shaping according to different manufacturing requirements. Its uniform structure and consistent quality make it ideal for producing shafts, gears, bolts, machine parts, and precision components. The excellent processing performance helps manufacturers improve production efficiency while reducing material waste and processing costs.

3. Superior Durability and Wear Resistance

With excellent toughness and wear resistance, Steel Round Bar can maintain stable performance under harsh working conditions. Carbon steel and alloy steel grades provide strong resistance against deformation, abrasion, and mechanical damage, making them suitable for heavy-duty applications. This durability ensures longer service life and reduces maintenance frequency in industrial equipment and engineering projects.

4. Wide Range of Grades and Customization Options

Steel Round Bar is available in various carbon steel and alloy steel grades to meet different application requirements. Customers can choose suitable materials based on strength, hardness, corrosion resistance, and processing needs. Different diameters, lengths, surface finishes, and heat treatment options can also be customized, providing flexible solutions for construction, manufacturing, and engineering industries.

5. Excellent Weldability and Structural Reliability

Many Steel Round Bar grades provide reliable weldability and good connection performance, allowing them to be easily integrated into complex structures and fabricated components. Their stable chemical composition and mechanical properties ensure consistent quality during welding and assembly processes. This advantage makes steel round bars widely used in structural frameworks, equipment manufacturing, and industrial projects.

6. Cost-Effective and Versatile Industrial Solution

Steel Round Bar provides an economical material solution with excellent performance, availability, and application flexibility. It is widely used across multiple industries, including construction, automotive, energy, machinery, and general engineering. Its combination of strength, durability, and easy processing makes it a practical choice for manufacturers seeking high-quality steel materials with competitive costs and dependable supply.


Round Bar


Quality Control


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


Applications of Steel Round Bars


1. Machinery Manufacturing and Mechanical Components

Steel Round Bar is widely used in machinery manufacturing for producing shafts, axles, gears, pins, bushings, and other precision mechanical parts. Its excellent strength, toughness, and machining performance make it suitable for components that require high load-bearing capacity and long-term operation. Carbon steel and alloy steel round bars provide reliable performance in industrial equipment, reducing wear and improving the service life of machinery.

2. Construction and Structural Engineering Projects

Steel Round Bar plays an important role in construction and structural engineering applications, including reinforcement components, support structures, anchor bolts, and connection parts. Its high strength and stable mechanical properties ensure reliable performance under heavy loads and harsh conditions. Available in various sizes and grades, steel round bars provide flexible solutions for buildings, bridges, infrastructure projects, and industrial facilities.

3. Automotive and Transportation Industry

Steel Round Bar is extensively used in automotive manufacturing for producing critical components such as drive shafts, suspension parts, steering components, and engine parts. Its excellent strength-to-weight ratio, durability, and fatigue resistance help improve vehicle safety and performance. Alloy steel round bars with enhanced mechanical properties are especially suitable for high-stress automotive applications requiring precision and reliability.

4. Oil, Gas and Energy Equipment

Steel Round Bar is commonly applied in the oil, gas, and energy sectors for manufacturing equipment parts, pressure-resistant components, and heavy-duty machinery. High-strength steel grades can withstand demanding working environments involving heavy loads, vibration, and continuous operation. Its reliable performance makes it an ideal material for energy projects, processing equipment, and industrial facilities.

5. Tool Manufacturing and Industrial Equipment

Steel Round Bar is widely used in tool manufacturing and industrial equipment production due to its excellent hardness, wear resistance, and processing flexibility. It can be machined into cutting tools, molds, machine tools, and various industrial accessories. Alloy steel round bars with heat treatment capabilities provide improved strength and durability for applications requiring high precision and long service life.

6. Forging, Fabrication and Custom Engineering

Steel Round Bar is an ideal material for forging, welding, and customized fabrication projects because of its uniform structure and excellent forming performance. It is commonly processed into flanges, couplings, fasteners, and special engineering components. With customized diameters, lengths, heat treatment, and surface finishes available, steel round bars can meet diverse requirements across different industrial applications.


Contact Us


As a leading company, Jiangwei Metal is 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.If you need more information about us or have any other needs, please feel free to contact us. We look forward to working with you to create a better future.


Round Bar

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