Round Bar

Products Description

Round bars, also known as mild steel round bars, are cylindrical metal bars made from mild steel, which is a low-carbon steel known for its strength, ductility, and affordability. These round bars are widely used across various industries and applications due to their versatility and ease of machining.

Products Specification

Trade Mark BS Group
Size 5mm to 125mm
Unit Length 12 m
Shape Round
Thickness/Diameter 3-4 inch, >4 inch, 1-2 inch, 0-1 inch, 2-3 inch
HSN Code 72141090, 721499, 72142090
Grade Mild Steel
LC (Low Carbon)
CHQ, C-45, C-38
& EN Series ( EN8, EN8-D, EN-9) along with Various others on Special Order.

Key Features and Uses of Round Bars:

  • Shape and Dimensions: Round bars have a circular cross-section with a uniform diameter along their entire length.

  • Materials: Round bars are made from mild steel, which contains a low amount of carbon (usually less than 0.25%). This composition makes them easier to weld, bend, and form compared to higher carbon steels.

  • Applications:

    • Construction: Used as reinforcement bars in concrete structures, for fabricating columns, beams, and other structural components.
    • Manufacturing and Engineering: Utilized as shafts, axles, pins, and machine components in manufacturing equipment and machinery.
    • Automotive: Commonly used in vehicle components such as axles, drive shafts, and suspension parts.
    • General Fabrication: Employed in general fabrication work such as making bolts, nuts, fasteners, and small components.
    • DIY and Home Projects: Used in DIY projects, home renovations, and repairs due to their accessibility and ease of use.
  • Surface Finish: Round bars typically have a smooth surface finish, although they can be further treated with coatings or plating for specific applications requiring enhanced corrosion resistance or aesthetic appearance.

  • Standards and Specifications:Round bars are manufactured according to various international standards such as ASTM (American Society for Testing and Materials), BS (British Standards), and IS (Indian Standards).

  • Weldability and Machinability: Round bars are easy to weld using common welding techniques such as arc welding, MIG welding, or TIG welding.

Round bars are essential components in construction, manufacturing, and engineering due to their versatility, affordability, and moderate strength. They serve a wide range of applications across different industries and are valued for their ease of fabrication and availability in various sizes and specifications.

Weight Chart

Item Size (mm) Weight Per Meter (KG) Weight Per Foot (KG)
Round Bar 5mm 0.15 0.05
Round Bar 6mm 0.22 0.07
Round Bar 8mm 0.40 0.12
Round Bar 10mm 0.62 0.19
Round Bar 12mm 0.89 0.27
Round Bar 15mm 1.39/td> 0.42

Chemical Composition

Carbon % ManganeseMax % SulphurMax % PhosporousMax % SiliconMax % Carbon Equivalent
0.19 0.53 0.048 0.051 0.18 0.28

Mechanical Properties

Tensile Strength Min, Mpa Yield Stress, Min, MPa % Elongation Bend Test
288 465 28 OK