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A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods) A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods) A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods) A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods) A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods)

A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods)

100.0 INR/Kilograms
Get a Price/Quote

Product Details:

  • Length 1 meter to 6 meters or custom cut lengths
  • Type Round Bar, Rod
  • Processing Machined, Peeled, Centerless Ground
  • Technique Hot Rolled, Forged, Cold Drawn
  • Material Alloy Steel (A182 F22 Class 3)
  • Tolerance H9, H11, K12, or as per customer requirement
  • Diameter 12mm to 350mm
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A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods) Price And Quantity

  • 1000 Kilograms
  • 100.0 INR/Kilograms

A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods) Product Specifications

  • H9, H11, K12, or as per customer requirement
  • Alloy Steel (A182 F22 Class 3)
  • F22 Class 3
  • 12mm to 350mm
  • Petrochemical Industry, Power Plant, Oil & Gas, Chemical Industry, Mechanical and Structural Applications
  • 1 meter to 6 meters or custom cut lengths
  • ASTM A182, ASME SA182
  • Bright, Black, Polished, Peeled
  • Hot Rolled, Forged, Cold Drawn
  • Pressure Vessels, Heat Exchangers, Flanges, Fittings, Shafts
  • Machined, Peeled, Centerless Ground
  • Round Bar, Rod
  • 585 MPa min
  • Good, suitable for high temperature and pressure conditions
  • Standard export packing, waterproof wrap, wooden boxes or as required
  • 27J at -46C
  • Max 235 HB (Brinell)
  • 415 MPa min
  • Good
  • Free from scale and cracks
  • 20% min
  • Quenched and Tempered
  • Annealed / Normalized / Tempered

Product Description

ASTM A182 F22 Class 3 is a high-performance forging specification for 2.25Cr-1Mo low-alloy steel. It is the industry standard for high-temperature and high-pressure service, particularly in oil and gas "wellhead" applications and power generation.

Among the F22 designations, Class 3 is the strongest and most commonly specified for critical pressure-containing parts due to its superior tensile and yield requirements compared to Class 1.

1. Core Technical Profile

The addition of 2.25% Chromium and 1% Molybdenum provides excellent resistance to creep and hydrogen attack, particularly in high-temperature environments.

Element Range (%) Key Mechanicals (Class 3)
Carbon (C) 0.05 0.15 Tensile Strength: 515 MPa (75 ksi)
Chromium (Cr) 2.00 2.50 Yield Strength: 310 MPa (45 ksi)
Molybdenum (Mo) 0.87 1.13 Hardness: 156 207 HBW
Manganese (Mn) 0.30 0.60 Elongation: 20%

2. Condition & Supply

F22 Class 3 bars are typically supplied in a Normalized and Tempered (N+T) or Quenched and Tempered (Q+T) condition. This heat treatment is critical to ensuring the material can withstand "High Temperature Hydrogen Attack" (HTHA) in refinery services.

Common commercial forms include:

  • Round Bars & Rods: Used for machining into high-tensile fasteners, valve stems, and connectors.

  • Forged Rings: Used for large-scale flanges and tube sheets.

  • Finish: Available in Black (as forged), Bright (cold drawn), or Peeled & Polished for precision engineering.

3. Popular F22 Class 3 Bar Options

If you are looking for specific stock sizes or forged components, these are common industrial offerings:

A182 F22 Class 3 Round Bar (10mm)

A smaller diameter rod suitable for high-strength pins, studs, and specialized fasteners used in high-pressure manifolds.

  • Material: 2.25Cr-1Mo Alloy Steel

  • Key Feature: High yield strength for compact, high-load components.

ASTM A182 F22 Round Bar (16mm, 3 Meter)

A standard-length bar often used for production machining. The 16mm diameter is a common size for manifold fittings and valve internal components.

  • Condition: Normalized & Tempered

  • Key Feature: Excellent weldability and corrosion resistance in chemical processing.

Alloy Steel F22 Forged Bar

For heavy-duty applications, forged bars provide a refined grain structure that is superior for resisting impact and cyclic fatigue in large-scale machinery.



Versatile Performance for Demanding Applications

A182 F22 Class 3 Alloy Steel Round Bars are specifically designed for environments requiring high strength, durability, and resistance to both heat and pressure. Their mechanical properties and heat treatment make them a top choice in the petrochemical, oil & gas, and power plant sectors. With excellent machinability and good corrosion resistance, these bars are not just robust, but also offer flexibility in terms of finish and length to suit various industrial applications.


Precision Manufacturing and Customization

These round bars are produced using hot-rolled, forged, or cold-drawn techniques, offering customers a selection of finishes including bright, black, polished, and peeled. Tolerance options (H9, H11, K12) and custom lengths or diameters ensure that each component can be tailored to precise project requirements. Strict manufacturing protocols guarantee surface conditions that are free from scale and cracks, further enhancing product reliability.

FAQ's of A182 F22 Class 3 Alloy Steel Round Bar(F-22 Bars, F22 Rods):


Q: How is A182 F22 Class 3 Alloy Steel Round Bar typically used in industry?

A: A182 F22 Class 3 bars are extensively used in the petrochemical, oil & gas, power generation, and chemical industries for critical applications such as pressure vessels, heat exchangers, flanges, fittings, and shafts, where high mechanical strength and resistance to extreme conditions are necessary.

Q: What are the main benefits of selecting F22 Class 3 Alloy Steel Rods for high-pressure environments?

A: F22 Class 3 Alloy Steel Rods offer high tensile and yield strengths, excellent impact toughness at low temperatures, reliable corrosion resistance, and a strong tolerance for high temperatures, making them exceptionally suitable for high-pressure and temperature applications in industrial settings.

Q: When should I consider requesting a custom diameter or length for F22 bars?

A: Custom diameters or lengths should be requested when standard sizes do not meet specific design or installation requirements. Manufacturers and suppliers can accommodate diameters ranging from 12mm to 350mm and lengths between 1 to 6 meters, or tailor sizes as needed for unique project demands.

Q: Where are F22 Class 3 Alloy Steel Round Bars typically sourced and supplied?

A: These bars are manufactured, exported, and supplied by dealers, fabricators, and producers throughout India, ensuring ready availability for domestic industrial projects and international export requirements.

Q: What surface finishing options are available for these round bars?

A: A182 F22 Class 3 bars can be supplied with various surface finishes such as bright, black, polished, or peeled. Finishing processes like centerless grinding and machining enhance surface integrity and meet precise tolerance specifications as per customer requirements.

Q: How does the heat treatment process affect the properties of F22 bars?

A: The bars undergo quenching and tempering processes, which enhance their hardness, toughness, and strength, ensuring they meet industry standards for mechanical performance under extreme temperature and pressure conditions.

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