4140 S45c S55c S35c Iron Round Steel Bar

Available in various diameters, lengths, and finishes, our hot & cold rolled steel bars meet international standards and are renowned for their strength, durability, and ease of fabrication. Jiangwei Metal, a leading manufacturer, offers customized solutions and reliable services to global clients. Contact us for a quote and let's build a better future together.

◉ Product Description

Product NameCarbon Steel Round Bar/Rod
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 or L/C
Export packingStandard Export Seaworthy Package.Suit for all kinds of transport,or as require

◉ Product Display


Product Introduction


Hot rolled round steel bar is a strong, tough, ductile, formable and weldable steel material that can be used for numerous types of applications. It also provides a rougher surface and can be easily shaped and formed. HR steel round bar stock is generally easy to drill and form while maintaining excellent mechanical properties. It is also characterized by its unique radius corners, compared to the sharp corners of cold rolled steel. It also maintains very good mechanical properties and is easy to fabricate.


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. 



Advantages of Hot Rolled Round Steel Bar


  • Strength – Steel round bars are not for their high strength nature and tenacity. Bars with higher diameters have excellent load bearing capacity and are used in construction and heavy machinery manufacturing.

  • Malleability and ductility – These two properties of steel make it easier for structural steel fabrication workers to cut and shape round bars according to specific requirements.

  • Durability – Steel has excellent corrosion resistance and can last for many decades without much wear and tear.



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 Hot Rolled Round Steel Bar


  • To make steel beams, column stirrups and pipelines

  • To erect steel structures

  • Production of medical tools

  • Production of heavy machinery

  • Automobile parts

  • To make trellis and rails


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.



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