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Alloy Steel Forged Bars

Alloy Steel Forged Bars Manufacturer, Supplier & Exporter – Inox Steel India

Grades: EN19, EN24, ASTM A182 F22, ASTM A182 F91

Inox Steel India is a leading manufacturer, supplier, and exporter of Alloy Steel Forged Bars, offering high-performance forged products in EN19, EN24, ASTM A182 F22, and ASTM A182 F91 grades for critical industrial applications across India, GCC, Middle East, Africa, Europe, and North & South America.

Alloy steel forged bars are specifically engineered for high-stress, high-temperature, and pressure-bearing environments, where ordinary carbon steel bars are insufficient. By alloying chromium, molybdenum, nickel, and vanadium, these forged bars deliver exceptional strength, creep resistance, fatigue life, and thermal stability.

At Inox Steel India, alloy steel forged bars are manufactured using controlled hot forging and precise heat treatment cycles, ensuring compliance with ASTM, ASME, EN, and DIN standards and consistent performance in safety-critical systems.

🔧 What Are Alloy Steel Forged Bars?

Alloy steel forged bars are solid metal sections produced by hot forging alloy steel billets under high compressive force. The forging process improves grain flow direction, reduces internal defects, and enhances mechanical integrity, making these bars ideal for rotating equipment, pressure components, and high-temperature service parts.

Compared to rolled alloy bars, forged bars provide:

  • Higher tensile and yield strength
  • Superior creep and fatigue resistance
  • Improved impact toughness
  • Greater dimensional reliability under load

These properties make alloy steel forged bars essential for power generation, oil & gas, heavy engineering, and process industries.

Table of Contents

⚙️ Manufacturing Process Followed at Inox Steel India

1️ Billet Selection
Premium alloy steel billets conforming to EN19, EN24, ASTM A182 F22, or F91 chemistry are selected from approved sources.

2️ Hot Forging
Billets are heated to forging temperature and shaped using open-die or closed-die forging, ensuring uniform grain flow and structural integrity.

3️ Heat Treatment

  • EN19 & EN24: Supplied in Quenched & Tempered (Q&T) condition
  • ASTM A182 F22: Supplied in Normalized & Tempered (N&T) condition
  • ASTM A182 F91: Supplied in Normalized & Tempered (N&T) with controlled cooling

4️ Rough Machining (Optional)
Forged bars can be supplied in rough-machined condition to reduce machining time for OEMs.

5️ Inspection & Testing
Each bar undergoes UT, MPI, mechanical testing, and dimensional inspection as per applicable standards.

Key Advantages of Alloy Steel Forged Bars

Superior strength-to-weight ratio
Excellent performance under high pressure and cyclic load
High resistance to creep and thermal fatigue
Reliable service at elevated temperatures
Improved fatigue life for rotating components
Consistent metallurgical properties across sections

MASTER TECHNICAL DATASHEET – ALLOY STEEL FORGED BARS
Grades: EN19 · EN24 · ASTM A182 F22 · ASTM A182 F91 | Inox Steel India

Parameter EN19 Forged Bars EN24 Forged Bars ASTM A182 F22 Forged Bars ASTM A182 F91 Forged Bars
Material Type Chromium–Molybdenum Alloy Steel Nickel–Chromium–Moly Alloy Steel Cr–Mo Low Alloy Steel Cr–Mo–V High Alloy Steel
Standard / Specification EN 10083 / DIN 1.7225 EN 10083 / DIN 1.4340 ASTM A182 / ASME SA182 ASTM A182 / ASME SA182
Product Form Forged Bars Forged Bars Forged Bars Forged Bars
Forging Process Open Die / Closed Die Forging Open Die / Closed Die Forging Open Die Forging Open Die Forging
Supply Condition Quenched & Tempered Quenched & Tempered Normalized & Tempered Normalized & Tempered
Diameter Range 50 mm – 900 mm 50 mm – 900 mm 60 mm – 800 mm 60 mm – 750 mm
Length Random / Cut Lengths Random / Cut Lengths Random / Cut Lengths Random / Cut Lengths
Yield Strength (MPa) ≥ 415 MPa ≥ 470 MPa ≥ 205 MPa ≥ 415 MPa
Tensile Strength (MPa) 850 – 1000 MPa 850 – 1080 MPa 415 – 585 MPa 585 – 760 MPa
Elongation (%) ≥ 13% ≥ 12% ≥ 20% ≥ 20%
Impact Properties Good Excellent Good (High Temp) Excellent (Creep Resistant)
Service Temperature Up to 550 °C Up to 600 °C Up to 565 °C Up to 600 °C
Creep Resistance Moderate Good High Very High
Heat Treatment Options Q & T Q & T N & T N & T
Machinability Good Moderate Good Moderate
Testing Performed UT, MPI, Mechanical UT, MPI, Mechanical UT, MPI, Mechanical UT, MPI, Mechanical
Inspection Standard EN / DIN EN / DIN ASTM / ASME ASTM / ASME
Certification EN 10204 3.1 EN 10204 3.1 EN 10204 3.1 / 3.2 EN 10204 3.1 / 3.2
Typical End Use Shafts, Gears High-Strength Shafts Pressure Parts Power Plant Components
HS / HSN Code 7228 7228 7228 7228

🧪 Grade-Wise Overview & Selection Guidance

🔹 EN19 Alloy Steel Forged Bars

EN19 (Cr–Mo steel) offers high strength, good toughness, and wear resistance, making it suitable for shafts, spindles, gears, and mechanical components subjected to dynamic loads.

🔹 EN24 Alloy Steel Forged Bars

EN24 (Ni–Cr–Mo steel) provides very high tensile strength and excellent impact resistance, commonly used for heavy-duty shafts, crankshafts, connecting rods, and aerospace-grade components.

🔹 ASTM A182 F22 Forged Bars

F22 is a chromium–molybdenum alloy steel designed for high-temperature and pressure service, widely used in power plants, refineries, and petrochemical equipment.

🔹 ASTM A182 F91 Forged Bars

F91 is a high-strength Cr–Mo–V alloy steel known for exceptional creep resistance, making it ideal for boilers, steam headers, turbine components, and ultra-supercritical power plants.

🌍 Global & Indian Demand Insight

In India, EN19 and EN24 forged bars are in strong demand for heavy engineering, automotive, and OEM manufacturing, while F22 and F91 forged bars are critical for thermal power, refinery, and EPC projects.

Internationally:

  • GCC & Middle East: Power plants and refineries demand F22 & F91
  • Africa: Energy infrastructure and heavy machinery
  • Europe: EN19 & EN24 for precision mechanical engineering
  • Americas: ASTM-compliant alloy steel forgings for power & oil & gas

Inox Steel India supports these markets with ready stock, project-based supply, and export dispatch from JNPT, Mundra, and Hazira ports.

Alloy Steel Forged Bars – Applications, Sizes, Pricing & Quality

Alloy Steel Forged Bars supplied by Inox Steel India are engineered to meet high-load, high-temperature, and pressure-critical service conditions. Each grade is selected based on mechanical strength, creep resistance, operating temperature, and fatigue performance, ensuring long-term reliability in demanding industrial environments.

🧩 Applications by Grade & Industry

🔹 EN19 Alloy Steel Forged Bars

Service Focus: High-strength mechanical and rotating components

Typical Applications:

  • Shafts, spindles, and axles
  • Gears and pinions
  • Hydraulic rods and tie rods
  • Heavy engineering components

Industries Served:
Automotive | Heavy Engineering | Machine Tools | OEM Manufacturing

🔹 EN24 Alloy Steel Forged Bars

Service Focus: Very high strength and impact-loaded components

Typical Applications:

  • Crankshafts and drive shafts
  • Connecting rods
  • High-load transmission components
  • Aerospace and defence mechanical parts

Industries Served:
Automotive | Aerospace | Defence | Heavy Machinery

🔹 ASTM A182 F22 Forged Bars

Service Focus: High-temperature and pressure service

Typical Applications:

  • Pressure vessel components
  • Valves, flanges, and fittings
  • Heat exchangers and reactors
  • Refinery and petrochemical equipment

Industries Served:
Oil & Gas | Refineries | Power Plants | Petrochemical

🔹 ASTM A182 F91 Forged Bars

Service Focus: Ultra-high temperature and creep-resistant applications

Typical Applications:

  • Boiler headers and steam lines
  • Turbine shafts and rotors
  • Superheater and reheater components
  • Ultra-supercritical power plant equipment

Industries Served:
Thermal Power | Energy Sector | EPC Projects | Heavy Engineering

📐 Size & Dimensional Range

Inox Steel India supplies alloy steel forged bars in standard and custom dimensions, suitable for rough machining or precision CNC operations.

Form Size Range
Forged Round Bars 60 mm – 900 mm Ø
Forged Square Bars 60 mm – 600 mm
Forged Flat Bars Up to 650 mm width
Custom Forged Shapes As per drawing
Rough Machined Bars As per machining allowance

📌 Custom lengths and machining allowances available on request.

💰 Alloy Steel Forged Bars – Indicative Price Range (2025)

Grade Price Range (INR / Kg) Price Range (USD / Kg) Remarks
EN19 ₹ 160 – ₹ 210 $ 1.95 – $ 2.55 Q&T condition
EN24 ₹ 180 – ₹ 240 $ 2.20 – $ 2.90 High-strength alloy
ASTM A182 F22 ₹ 220 – ₹ 300 $ 2.65 – $ 3.60 Pressure-grade forging
ASTM A182 F91 ₹ 320 – ₹ 420 $ 3.85 – $ 5.05 Creep-resistant alloy

🧾 Prices vary based on size, heat treatment, testing, and order quantity.

🔢 HS / HSN Code – Alloy Steel Forged Bars

  • HSN Code (India): 7228
  • Alternate Code: 8483 (machined components – application based)

🧪 Testing & Quality Assurance

Each Alloy Steel Forged Bar supplied by Inox Steel India is tested to ensure metallurgical integrity and mechanical performance.

Standard Tests Conducted:
Ultrasonic Testing (UT)
Magnetic Particle Inspection (MPI)
Tensile & Yield Strength Tests
Elongation & Hardness Tests
Impact Testing (where applicable)
Dimensional & Visual Inspection

Third-Party Inspection:
SGS · TUV · BV · DNV · Lloyd’s (on request)

All materials are supplied with EN 10204 3.1 / 3.2 certificates.

F91 offers excellent creep resistance and long-term stability at elevated temperatures.

 

Yes, forging improves grain flow, fatigue strength, and pressure resistance.

 

EN19 & EN24 are supplied in Q&T, while F22 & F91 are supplied in N&T condition.

 

Yes, SGS, TUV, BV, DNV, and Lloyd’s inspections are available.

 

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

🚢 Packaging & Export Readiness

  • Anti-rust coated & VCI wrapped
  • Heat number marking on each bar
  • Wooden pallets or steel crates
  • Export-ready packing for long-distance shipping

Ports of Dispatch: JNPT (Mumbai) · Mundra · Hazira

Alloy Steel Forged Bars Manufacturer & Exporter – Inox Steel India

🏭 Why Choose Inox Steel India for Alloy Steel Forged Bars?

Inox Steel India is a preferred manufacturer, supplier, and exporter of alloy steel forged bars for customers who demand precision, reliability, and long-term performance in high-stress and high-temperature applications.

Our strengths include:

Approved forging sources with strict metallurgical control
Expertise in Q&T and N&T heat treatment cycles
Supply of large-size forgings with sound internal structure
Full compliance with ASTM, ASME, EN & DIN standards
Project-specific documentation with EN 10204 3.1 / 3.2
Competitive pricing for domestic and export projects
Proven export capability to GCC, Europe, Africa & Americas

We focus on delivering forgings that perform safely under pressure, heat, and cyclic loads.

🧩 Industries & Applications Served

Industry Application Preferred Grade
Power & Energy Boiler headers, turbine parts ASTM A182 F91
Oil & Gas Valves, flanges, fittings ASTM A182 F22
Petrochemical Reactors, pressure vessels ASTM A182 F22
Heavy Engineering Shafts, spindles EN19
Automotive Crankshafts, axles EN24
Aerospace & Defence High-strength components EN24
EPC Projects High-temp pressure parts F22 / F91