"Mehta Metal Industries", founded in 1978 by Babulal Mehta, is one of India's oldest and most trusted suppliers of high-quality stainless steel products.

Contact Info

Contact Us

EN31 Round Bar Manufacturers in India

Table Of Content

EN31 Round Bar Manufacturers in India – Mehta Metal Industries

Mehta Metal Industries is one of the trusted EN31 round bar manufacturers in India, supplying high-quality EN31 alloy steel round bars for demanding industrial and engineering applications. Our EN31 round bar is manufactured using premium raw materials and advanced processes to ensure high hardness, wear resistance, and consistent performance. We supply EN31 round bar in black bars, bright bars, and forged bars, making them suitable for machining, tooling, and heavy-duty applications.

EN31 is a high carbon alloy steel known for its excellent wear resistance and hardness. Black EN31 round bars are widely used in general engineering applications, bright EN31 round bars are ideal for precision machining due to their smooth finish, and forged EN31 round bars are preferred for applications requiring enhanced strength and durability. With strong manufacturing capability and bulk supply support, we deliver EN31 round bar solutions to EPC contractors, engineers, and global buyers.

H13 tool steel round bars in India for die casting and extrusion tools

EN31 Round Bar Overview

EN31 round bar is widely used in applications where high hardness, strength, and wear resistance are required. Compared to other alloy steels, EN31 round bar provides superior resistance to abrasion and is ideal for components subjected to repeated stress and friction.

At Mehta Metal Industries, we supply EN31 round bar in black bars, bright bars, and forged bars to meet different industrial needs. Black EN31 round bars are suitable for general engineering, while bright EN31 round bars offer better surface finish for machining applications. Forged EN31 round bars provide improved structural integrity for heavy-duty components.

Our EN31 round bar is commonly used in bearings, rollers, shafts, and industrial tools. With consistent quality and multiple finish options, EN31 round bar is a preferred choice for precision and high-wear applications.

EN31 Round Bar Specifications

Specification Details
Material Alloy Steel EN31 Round Bar
Standard BS 970
Form Round Bar
Finish Black Bars, Bright Bars, Forged Bars
Diameter 6 mm to 500 mm
Length 3m, 6m or custom
Condition Annealed, Hardened
Technique Hot Rolled, Cold Drawn, Forged

Our EN31 round bar is available in black, bright, and forged bars to suit various industrial applications.

Sizes & Dimensions

Parameter Range
Diameter 6 mm to 500 mm
Length 3m / 6m / Custom
Shape Round
Tolerance As per standards

Custom EN31 round bar sizes are available as per requirements.

Explore Related Products

Mechanical Properties

Property Value
Tensile Strength 700–850 MPa
Hardness 60–65 HRC
Yield Strength 450–600 MPa
Elongation 10–12%

These properties make EN31 round bar suitable for wear-resistant applications.

Chemical Composition

Element Composition (%)
Carbon 0.90–1.20
Chromium 1.00–1.60
Manganese 0.30–0.75
Silicon 0.10–0.35

EN31 round bar offers excellent hardness due to its high carbon content.

Applications of EN31 Round Bar

EN31 round bar is widely used in industries that require high hardness, wear resistance, and durability under continuous friction and load conditions. These properties make EN31 round bar suitable for precision engineering and tooling applications.

Where is EN31 Round Bar used?

EN31 round bar is commonly used in:

  • Bearing Manufacturing
    EN31 round bar is extensively used in manufacturing ball bearings, roller bearings, and bearing components due to its high hardness and wear resistance.
  • Automotive Industry
    EN31 round bar is used in automotive components such as shafts, gears, and rollers that require durability and resistance to wear.
  • Tool Manufacturing
    EN31 round bar is used in manufacturing tools and dies where high hardness and precision are essential.
  • Industrial Machinery
    EN31 round bar is used in machinery components exposed to continuous friction and heavy loads.
  • Engineering Applications
    EN31 round bar is widely used in precision engineering components requiring dimensional accuracy and strength.

Why is EN31 Round Bar preferred?

  • High hardness and wear resistance
  • Excellent fatigue strength
  • Good dimensional stability
  • Suitable for precision components
  • Reliable performance in heavy-duty applications

EN31 Round Bar Weight Chart

Diameter Weight (kg/m)
20 mm 2.47
40 mm 9.87
60 mm 22.20
80 mm 39.50
100 mm 61.70

Quality Assurance

At Mehta Metal Industries, quality is a core part of our business philosophy and operational standards. We are committed to maintaining consistency, reliability, and compliance across all our processes, supported by structured quality management systems focused on continuous improvement, documentation control, and process monitoring to meet global industry expectations.

We are certified with multiple international standards that reflect our commitment to quality, safety, and environmental responsibility:

  • ISO 9001:2015 – Quality Management System
  • ISO 14001:2015 – Environmental Management System
  • ISO 45001:2018 – Occupational Health & Safety Management
  • PED (Pressure Equipment Directive 2014/68/EU) Certification

These certifications demonstrate our adherence to global quality benchmarks and regulatory standards.

Our continuous focus ensures alignment with international practices and long-term client trust.

Why Choose Mehta Metal Industries

Industrial buyers and project engineers choose Mehta Metal Industries for reliable alloy steel round bar supply with consistent quality, accurate specifications, and dependable delivery for critical engineering and machining applications.

  • Advanced Manufacturing
    Our facilities use modern machinery and controlled processes to produce round bars with uniform mechanical properties, precise dimensions, and consistent performance across all batches.
  • Wide Range of Grades
    We supply multiple alloy steel grades including EN19, EN24, EN31, EN8, and AISI 4140, allowing buyers to source different materials for varied industrial applications from a single supplier.
  • Custom Solutions
    We offer customized diameters, lengths, and finishes such as black, bright, and forged bars to meet specific machining and engineering requirements.
  • Bulk Supply Capability
    With strong inventory and production capacity, we are able to fulfill bulk industrial orders efficiently while maintaining consistent supply and delivery timelines.
  • Strict Quality Control
    Each product undergoes multiple quality checks to ensure compliance with international standards and project specifications.
    Every product is tested through:
    • Mechanical testing
    • Ultrasonic inspection
    • Chemical composition analysis
    • Dimensional inspection
    These quality checks ensure reliability, performance, and long service life in demanding applications.
Get In Touch

Industries We Serve

Our alloy steel round bars are widely used in industries that require high hardness, wear resistance, and durability under continuous load and friction. These industries depend on high-performance materials for manufacturing precision components and heavy-duty equipment.

  • Automotive Industry
    These materials are used in manufacturing gears, shafts, and components that require high strength, wear resistance, and reliable performance under continuous operation.
  • Bearing Industry
    Widely used in bearing manufacturing, these bars provide high hardness, precision, and durability required for long-lasting performance in rotating components.
  • Tool & Die Industry
    Used in producing tools, dies, and precision components, these materials offer excellent hardness, dimensional stability, and resistance to wear.
  • Heavy Engineering
    These round bars are used in machinery components that operate under high stress and load conditions, ensuring strength and durability.
  • Industrial Manufacturing
    In general manufacturing, these materials are used for machining precision components, fasteners, and industrial tools requiring consistent properties.

Frequently Asked Questions

  • What is EN31 round bar used for?
    It is widely used in bearings, shafts, rollers, and precision engineering components that require high hardness and wear resistance.
  • What makes EN31 different from other alloy steels?
    Its higher carbon content provides superior hardness, wear resistance, and durability compared to many other alloy steel grades.
  • What finishes are available?
    These round bars are available in black, bright, and forged conditions, suitable for general engineering, machining, and heavy-duty applications.
  • Can it be heat treated?
    Yes, it can be hardened and heat treated to achieve high hardness levels and improved wear resistance.
  • Do you supply in bulk?
    Yes, we maintain strong inventory and production capacity to fulfill bulk industrial and export orders with timely delivery.

Request a Quote

Looking for a reliable EN31 round bar manufacturer in India? Mehta Metal Industries supplies high-quality EN31 round bar for industrial and engineering applications. We offer consistent quality, customized sizes, and competitive pricing for both domestic and export orders.

Contact us today to get a quick quote and expert assistance for your EN31 round bar requirements.

Request A Quote

Our Products