Contact us now!

+91 9930796690

Home > Flat Bars >Alloy Steel Flat Bars

Alloy Steel Flat Bars

Alloy Steel Flat Bars Manufacturer in India

Grades: EN19, EN24, AISI 4140 | Supplier & Exporter

Inox Steel India is a trusted manufacturer, supplier, and exporter of alloy steel flat bars in India, supplying high-strength EN19, EN24, and AISI 4140 flat bars for demanding engineering and industrial applications.

Our alloy steel flat bars are produced from chromium–molybdenum alloy steels using controlled hot rolling and forging processes, followed by suitable heat treatment. This ensures excellent strength, toughness, wear resistance, and dimensional stability, making them ideal for components subjected to high load, impact, and fatigue stress.

Buyers searching for alloy steel flat bars manufacturers in India, alloy steel flat bars price list, steel flat bar price, or alloy steel flat bars sizes rely on Inox Steel India for consistent quality, certified material, and reliable supply from Mumbai.

Table of Contents

What Is an Alloy Steel Flat Bar?

An alloy steel flat bar is a solid rectangular section bar manufactured from carbon steel alloyed with elements such as chromium and molybdenum. These alloying elements significantly improve strength, hardenability, wear resistance, and heat-treatment response compared to mild steel flat bars.

Alloy steel flat bars are commonly used where mild steel flat bars are insufficient to handle mechanical stress, shock loads, or long-term cyclic loading.

Key Advantages of Alloy Steel Flat Bars

  • High tensile and yield strength
  • Excellent wear and fatigue resistance
  • Superior performance after heat treatment
  • Good machinability in annealed condition
  • Suitable for heavy-duty and critical components
  • Long service life under severe operating conditions

These characteristics make alloy steel flat bars a preferred material for automotive, heavy engineering, power, and machinery manufacturing.

Grade-Wise Understanding for Buyers

EN19 Flat Bars (AISI 4140 equivalent)

Widely used for shafts, gears, spindles, bolts, and general engineering components requiring good strength and toughness.

EN24 Flat Bars

Higher nickel content provides superior toughness and impact strength, making it suitable for crankshafts, axles, heavy-duty gears, and aerospace-related components.

AISI 4140 Flat Bars

Internationally recognized Cr-Mo alloy steel used in oil & gas, power plants, and export engineering projects.

Inox Steel India supports buyers with grade selection based on load conditions, heat treatment requirements, and machining needs.

Demand & Usage – India and Global Markets

In India, alloy steel flat bars see strong demand in Mumbai, Pune, Ahmedabad, Chennai, and Bengaluru, driven by automotive OEMs, heavy engineering units, and machine manufacturers.

Globally, EN24 and AISI 4140 flat bars are exported to GCC countries, Africa, Europe, and the Americas, where high-strength alloy steels are essential for oil & gas, power generation, and industrial machinery.

With dispatch from JNPT (Mumbai), Mundra, and Hazira ports, Inox Steel India ensures timely delivery and export-compliant documentation.

Applications of Alloy Steel Flat Bars

Industry Segment Typical Applications
Automotive & Transport Axles, crankshafts, gear blanks
Heavy Engineering Shafts, spindles, couplings
Oil & Gas Valve components, tool parts
Power & Energy Turbine parts, structural components
Machinery Manufacturing CNC-machined components
Mining & Earthmoving Wear-resistant parts

Grade-wise application guidance:

EN19 / AISI 4140 → Shafts, gears, bolts, high-strength machine parts

EN24 → Heavy-duty gears, axles, crankshafts, impact-loaded components

Alloy Steel Flat Bar Sizes

Inox Steel India supplies alloy steel flat bars in a wide range of standard and custom sizes, suitable for both machining and fabrication.

Standard Size Range

  • Width: 12 mm – 300 mm
  • Thickness: 6 mm – 100 mm
  • Length: Random Length / 6 Meter / Custom Cut Lengths

Common Commercial Sizes (mm):
25×6 | 40×8 | 50×10 | 65×12 | 75×12 | 100×16

Alloy Steel Flat Bar Weight Reference (Indicative)

Size (mm) Approx. Weight (kg/m)
25 × 6 1.18
40 × 8 2.51
50 × 10 3.93
65 × 12 6.12
75 × 12 7.07
100 × 16 12.56

Alloy Steel Flat Bar Price (Indicative – India)

Grade Price INR / Kg
EN19 Flat Bar ₹95 – ₹125
EN24 Flat Bar ₹120 – ₹160
AISI 4140 Flat Bar ₹110 – ₹150

Prices are Ex-Mumbai / Ex-Works India and may vary with alloy surcharge and heat treatment.

HSN / HS Code – Alloy Steel Flat Bars

HSN Code: 7228

Testing & Quality Assurance

  • Chemical Composition Analysis
  • Tensile & Yield Strength Test
  • Hardness Test
  • Impact Test (Charpy – when required)
  • Dimensional & Visual Inspection

Certification supplied: EN 10204 3.1 / Mill Test Certificate

Third-party inspection: SGS / BV / TUV (on request)

Why Choose Inox Steel India for Alloy Steel Flat Bars?

  • Complete range of EN19, EN24 & AISI 4140 flat bars
  • Supply in Annealed, Normalized & Quenched & Tempered (Q&T) conditions
  • Suitable for high-load, impact & fatigue applications
  • Ready stock of standard sizes with custom cut lengths
  • EN 10204 3.1 Mill Test Certificates with full traceability
  • Third-party inspection (SGS / BV / TUV) on request
  • Competitive alloy steel flat bar price list
  • Strong domestic & export logistics support

Packaging & Export Readiness

  • Steel-strapped bundles with grade & heat marking
  • Protective coatings (where required)
  • Wooden pallets and crates for export shipments
  • Seaworthy packaging for overseas consignments

Export Destinations

GCC · Middle East · Africa · Europe · North & South America

Get a Quote – Alloy Steel Flat Bars

Whether you require EN19 flat bars for machining, EN24 flat bars for impact-loaded components, or AISI 4140 flat bars for export projects, our team will assist with grade selection, pricing, and delivery schedules.

EN24 contains nickel, offering higher toughness and impact strength compared to EN19.

AISI 4140 is equivalent to EN19 and is widely used for export and international engineering projects.

Yes, they can be supplied in annealed, normalized, or Q&T condition as per application.

Yes, all alloy steel flat bars are supplied with EN 10204 3.1 MTC.

Yes, we regularly export to GCC, Africa, Europe, and the Americas.

Indicative prices range from ₹55 – ₹70 per kg for IS 2062, depending on size and quantity.

IS 2062 and ASTM A36 are most commonly used for structural and fabrication work.

EN9 has higher carbon content and strength compared to EN8, making it suitable for wear-resistant components.

 Yes, we offer custom cut lengths as per drawing or requirement.

Yes, all supplies are accompanied by Mill Test Certificates / EN 10204 3.1.