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Hot Rolled Flat Bars

Hot Rolled Flat Bars Manufacturer in India

Carbon Steel · Alloy Steel · Stainless Steel | Supplier & Exporter

Inox Steel India is a reliable manufacturer, supplier, and exporter of hot rolled flat bars in India, offering a wide range of carbon steel, alloy steel, and stainless steel hot rolled flat bars for structural and fabrication applications.

Our hot rolled flat bars are manufactured through a controlled hot rolling process, where steel billets are rolled at high temperatures above recrystallization. This process ensures excellent formability, consistent thickness, and strong mechanical properties, making hot rolled flat bars ideal for heavy-duty fabrication, construction, and engineering works.

Buyers searching for hot rolled flat bars, steel flat bar price, mild steel flat bar prices, or hot rolled flat bar suppliers in India trust Inox Steel India for ready stock availability, competitive pricing, and dependable supply from Mumbai.

Table of Contents

🔍 What Are Hot Rolled Flat Bars?

Hot rolled flat bars are rectangular steel bars produced by rolling steel at elevated temperatures, typically above 1,000°C. During this process, steel is shaped easily, resulting in a rough, scaled surface finish commonly referred to as mill scale.

Compared to cold drawn or bright flat bars, hot rolled flat bars offer:

  • Better suitability for structural and load-bearing applications
  • Lower production cost
  • Easier bending, cutting, and welding

This makes them a preferred choice where precision surface finish is not critical, but strength and economy are essential.

Key Advantages of Hot Rolled Flat Bars

High strength suitable for structural use
Excellent weldability and formability
Cost-effective compared to bright or machined bars
Available in wide thickness and width ranges
Suitable for cutting, bending, and fabrication
Widely accepted across construction and engineering sectors

Hot rolled flat bars are especially favored in projects requiring large volumes, heavy sections, and fast fabrication timelines.

HOT ROLLED FLAT BARS – MASTER TABLE

Parameter Complete Specification
Product Name Hot Rolled Flat Bars
Product Form Flat / Rectangular Solid Bars
Manufacturing Process Hot Rolling
Material Options Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Nickel Alloy
Common Grades IS 2062, ASTM A36, EN8, EN9, EN19, EN24, SS 304/316, Duplex 2205
Applicable Standards IS 2062, ASTM A36, ASTM A276, ASTM A484, EN 10025
Surface Finish Black / Hot Rolled Finish (Mill Scale)
Edge Condition Mill Edge / Sheared Edge
Supply Condition As Rolled
Density ~7.85 g/cm³ (Carbon & Alloy Steels)
Tensile Strength 410 – 850 MPa (Grade Dependent)
Yield Strength 250 – 650 MPa
Elongation ≥ 14 – 25%
Hardness 120 – 280 HB
Weldability Excellent (CS / SS Grades)
Machinability Good
Heat Treatment Optional (Normalizing / Annealing on Request)
Width Range 12 mm – 300 mm
Thickness Range 3 mm – 100 mm
Length Options Random Length, 6 Meter, Custom Cut Lengths
Standard Commercial Sizes 25×5, 40×6, 50×8, 65×10, 75×12, 100×12 mm
Dimensional Tolerance As per IS / ASTM Standards
Approx Weight Reference As per Hot Rolled Flat Bar Weight Chart
Typical Applications Structural Fabrication, Frames, Base Plates, Supports
Industries Served Construction, Infrastructure, Fabrication, Engineering
Hot Rolled Flat Bar Price ₹55 – ₹180 per kg (Material Dependent)
Price Basis Ex-Mumbai / Ex-Works India (Indicative)
HSN / HS Code 7214 / 7222 (Material Dependent)
Testing Performed Chemical Analysis, Mechanical Tests, Dimensional Check
Certification Mill Test Certificate / EN 10204 3.1
Third-Party Inspection SGS, BV, TUV (On Request)
Packaging Bundled with Steel Straps
Dispatch Ports JNPT (Mumbai), Mundra, Hazira
Domestic Supply Mumbai, Navi Mumbai, Pune, Ahmedabad, PAN India
Export Markets GCC, Middle East, Africa, Europe, Americas

🧭 Hot Rolled vs Other Flat Bar Finishes

Understanding why hot rolled flat bars are chosen over other finishes helps buyers make the right decision:

  • Hot Rolled Flat Bars
    Used for structural frames, supports, base plates, and general fabrication, where surface finish is secondary.
  • Bright / Cold Drawn Flat Bars
    Preferred for machining and precision components, where dimensional accuracy and surface finish are critical.
  • Polished Flat Bars
    Selected for decorative or architectural applications.

Inox Steel India guides buyers in choosing the right flat bar finish based on application, load requirement, and cost considerations.

🌍 Demand & Usage – India and Global Markets

In India, hot rolled flat bars see high demand across Mumbai, Navi Mumbai, Pune, Ahmedabad, Delhi NCR, and Chennai, driven by infrastructure development, fabrication units, and EPC contractors.

Internationally, hot rolled flat bars are widely exported to GCC countries, Africa, and Southeast Asia, where robust structural steel products are required for construction, industrial plants, and utility projects.

With dispatch from JNPT (Mumbai), Mundra, and Hazira ports, Inox Steel India ensures timely delivery and consistent supply for domestic and export projects.

🏭 Applications of Hot Rolled Flat Bars

Hot rolled flat bars supplied by Inox Steel India are widely used where strength, weldability, and cost efficiency are more critical than surface finish.

Industry Segment Typical Applications
Construction & Infrastructure Frames, beams, base plates, supports
Structural Fabrication Platforms, walkways, trusses
Engineering & Workshops Fabricated parts, brackets, mounts
Automotive & Transport Chassis parts, reinforcements
Power & Utility Equipment supports, structural members
General Fabrication Cutting, bending, welding works

Hot rolled flat bars are preferred for heavy sections and load-bearing components where post-fabrication machining or surface finishing is optional.

📐 Hot Rolled Flat Bar Sizes

Inox Steel India supplies hot rolled flat bars in a wide range of standard and custom sizes to suit fabrication and construction requirements.

Standard Size Range:

  • Width: 12 mm – 300 mm
  • Thickness: 3 mm – 100 mm
  • Length: Random Length / 6 Meter / Custom Cut Lengths

Common Commercial Sizes (mm):
25×5 | 40×6 | 50×8 | 65×10 | 75×12 | 100×12

📥 Hot Rolled Flat Bar Sizes PDF available on request


⚖️
Hot Rolled Flat Bar Weight Reference (Indicative)

Size (mm) Approx. Weight (kg/m)*
25 × 5 0.98
40 × 6 1.88
50 × 8 3.14
65 × 10 5.10
75 × 12 7.07
100 × 12 9.42

*Calculated at steel density ~7.85 g/cm³
📥 Hot Rolled Flat Bar Weight Chart PDF available

💰 Hot Rolled Flat Bar Price (Indicative – India)

Prices vary based on material grade, size, quantity, and steel market conditions.

Material Type Price INR / Kg
Mild / Carbon Steel HR Flat Bars ₹55 – ₹75
Alloy Steel HR Flat Bars ₹85 – ₹150
Stainless Steel HR Flat Bars ₹150 – ₹280

🧾 Prices are Ex-Mumbai / Ex-Works India and subject to raw material fluctuations.

🔢 HSN / HS Code – Hot Rolled Flat Bars

  • HSN Code:
    • 7214 – Carbon / Mild Steel Flat Bars
    • 7222 – Stainless Steel Flat Bars

Applicable for domestic invoicing and export documentation.

🧪 Testing & Quality Assurance

All hot rolled flat bars undergo essential quality checks before dispatch:

  • Chemical Composition Analysis
  • Tensile & Yield Strength Testing
  • Dimensional & Visual Inspection

📄 Certification supplied: Mill Test Certificate / EN 10204 3.1
🔍 Third-party inspection: SGS / BV / TUV (on request)

 

🏆 Why Choose Inox Steel India for Hot Rolled Flat Bars?

When sourcing hot rolled flat bars, buyers look for consistent material quality, correct grades, competitive pricing, and reliable supply timelines. Inox Steel India delivers across all these parameters with a strong manufacturing and supply network.

Key Advantages:

Wide range of hot rolled flat bars in carbon steel, alloy steel & stainless steel
Compliance with IS, ASTM & EN standards
Ready stock of standard sizes with custom cut lengths
Excellent weldability and fabrication suitability
EN 10204 3.1 Mill Test Certificates with traceability
Third-party inspection: SGS / BV / TUV (on request)
Competitive steel flat bar pricing
Strong domestic & export logistics support

Our focus is on supplying structurally reliable and fabrication-ready hot rolled flat bars that perform consistently on-site.

📦 Packaging & Export Readiness

Hot rolled flat bars are packed to ensure safe handling and transit:

  • Steel-strapped bundles
  • Proper size & heat marking
  • Wooden pallets / crates for export consignments
  • Seaworthy packaging for international shipments

Export Destinations:
UAE · Saudi Arabia · Oman · Africa · Europe · Southeast Asia · Americas

Hot rolled flat bars have a rough mill-scale finish and are cost-effective, while bright flat bars offer better surface finish and tighter tolerances for machining.

 

Yes. Hot rolled flat bars offer excellent weldability, especially in carbon and mild steel grades.

 

Yes. We supply hot rolled flat bars in custom cut lengths as per drawings or project requirements.

 

Yes. We regularly export to GCC, Africa, Europe, and other global markets.