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Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar

Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar

3152.0 INR/Piece
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Product Details:

  • Grade C22
  • Diameter 3 mm to 350 mm
  • Standard ASTM B574, ASME SB574, DIN 2.4602, UNS N06022
  • Length 100 mm to 6000 mm or custom cut length
  • Processing Peeled, Turned, Polished, Ground
  • Application Chemical processing, pollution control, waste treatment, pulp and paper production, marine environments
  • Finish Bright, Polish, Black
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Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar Price And Quantity

  • 1 Piece
  • 3152.0 INR/Piece

Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar Product Specifications

  • Chemical processing, pollution control, waste treatment, pulp and paper production, marine environments
  • Bright, Polish, Black
  • Peeled, Turned, Polished, Ground
  • C22
  • ASTM B574, ASME SB574, DIN 2.4602, UNS N06022
  • 3 mm to 350 mm
  • 100 mm to 6000 mm or custom cut length
  • Hastelloy C22 (Alloy C-22)
  • High corrosion resistance applications, resistance to oxidizing and reducing media
  • Hot Rolled, Cold Drawn
  • Round Bar
  • H9, H10, H11 or as per requirement
  • 45% min
  • Round, Hex, Square Bars available
  • 8.69 g/cm3
  • Excellent in both oxidizing and reducing environments
  • 1399C - 1443C
  • B90 - B100 HRB
  • Smooth, defect free
  • Solution Annealed
  • 283 MPa min
  • EN 10204 3.1 / 3.2 available
  • 690 MPa min

Product Description

1. Material Identification and Cross References

  • Trade Name: Hastelloy C-22 / Alloy C-22 / Nickel C-22

  • UNS Designation: UNS N06022

  • DIN / WNr Standard: 2.4602

  • EN Designation: NiCr21Mo14W

  • ASTM Specifications: ASTM B574 (Rod and Bar), ASTM B575, ASTM B619, ASTM B622

  • ASME Specifications: ASME SB-574

  • NACE Specification: NACE MR0175 / ISO 15156 (Oil and Gas sour service)

  • AFNOR (France): NC21D12W

2. Chemical Composition (Nominal Mass Percent)

  • Nickel: Balance (Approximately 56.0)

  • Chromium: 20.0 to 22.5

  • Molybdenum: 12.5 to 14.5

  • Iron: 2.0 to 6.0

  • Tungsten: 2.5 to 3.5

  • Cobalt: Maximum 2.5

  • Manganese: Maximum 0.50

  • Vanadium: Maximum 0.35

  • Silicon: Maximum 0.08

  • Carbon: Maximum 0.010

  • Phosphorus: Maximum 0.020

  • Sulfur: Maximum 0.010

3. Physical Properties

  • Density: 8.69 grams per cubic centimeter (0.314 pounds per cubic inch)

  • Specific Gravity: 8.69

  • Melting Range: 1357 to 1399 degrees Celsius

  • Electrical Resistivity: 1.14 microhm-meters at room temperature

  • Modulus of Elasticity: 206 GPa (29.9 x 10^3 ksi)

  • Thermal Conductivity: 10.1 W/m K at 100 degrees Celsius

  • Mean CTE: 12.4 x 10^-6 per degree Celsius (25 to 100 degrees Celsius)

4. Mechanical Properties (Solution Annealed Condition)

  • Tensile Strength: Minimum 690 MPa (100 ksi) / Typical 760 to 820 MPa

  • Yield Strength (0.2% offset): Minimum 310 MPa (45 ksi) / Typical 380 to 430 MPa

  • Elongation at Break (in 2 inches): Minimum 45 percent

  • Rockwell Hardness: Maximum 93 HRB / Typical 85 to 90 HRB

  • Brinell Hardness: Maximum 219 HBW

  • Charpy V-Notch Impact Energy: Exceptional impact toughness retained down to cryogenic temperatures

5. Thermal and Processing Parameters

  • Solution Annealing Temperature: 1121 to 1177 degrees Celsius followed by rapid water quenching

  • Hot Working Range: 950 to 1230 degrees Celsius (Avoid hot deformation below 950 degrees Celsius)

  • Cold Working: Work hardens rapidly during cold deformation; requires intermediate annealing for heavy reductions

  • Machinability: Low to moderate machinability due to high work-hardening rate; requires heavy-duty tooling, low speeds, and positive feeds

6. Corrosion Resistance Profile

  • Superior overall corrosion resistance compared to Alloy C-276 in oxidizing aqueous environments due to higher chromium content

  • Outstanding resistance to wet chlorine gas, nitric acid, and mixtures containing oxidizing acids with chloride ions

  • Exceptional resistance to localized pitting, crevice attack, and intergranular corrosion in weld heat-affected zones

  • Immune to chloride-induced stress corrosion cracking in severe chemical processing conditions

7. Manufacturing and Supply Specifications

  • Available Formats: Hot Rolled Round Bars, Cold Finished Rods, Forged Round Blocks, Precision Ground Shafts

  • Diameter Range: 3 mm to 500 mm (Standard Stocking: 6 mm to 300 mm)

  • Supply Condition: Solution Annealed and Descaled / Bright Annealed / Precision Centerless Ground

  • Bar Lengths: Fixed Lengths or Random Lengths from 2 meters up to 6 meters

  • Surface Finishes: Black As-Forged, Turn-Peeled, Centerless Ground, Bright Polished

8. Primary Industrial Applications

  • Chemical and petrochemical process equipment, reaction vessels, heat exchangers, and agitator shafts

  • Flue gas desulfurization (FGD) systems, scrubber spray headers, fan housings, and dampers

  • Pharmaceutical process hardware, reaction vessels, and high-purity piping systems

  • Nuclear fuel reprocessing equipment, hazardous waste incineration systems, and pickling tanks

  • Marine hardware, high-stress valve stems, and downhole oil and gas sour service components



Exceptional Corrosion Resistance

Hastelloy C22 Round Bars are renowned for their outstanding resistance to a variety of corrosive environments, including highly oxidizing and reducing chemicals. This makes them particularly suitable for challenging industrial applications where conventional materials may fail, such as chemical processing and marine operations.


Versatile Forms and Finishes

These bars are available in round, hex, and square shapes, with finishes ranging from bright and polished to black. Customers can request different diameters and lengths, as well as specific surface conditions like peeled, turned, polished, or ground, ensuring precise conformity to project requirements.


Certified Quality and Performance

Each batch of Hastelloy C22 bars is solution annealed for enhanced mechanical properties and surface integrity. Comprehensive test certificates (EN 10204 3.1 / 3.2) are provided, ensuring compliance with globally recognized standards such as ASTM B574 and ASME SB574. This guarantees consistent quality for demanding industrial applications.

FAQ's of Hastelloy C22 Round Bars Alloy C-22 Bars Hastelloy C22 Bar:


Q: How are Hastelloy C22 round bars typically fabricated and finished?

A: Hastelloy C22 round bars are manufactured using hot rolled or cold drawn techniques and subsequently undergo processes like peeling, turning, polishing, or grinding. This sequence yields a smooth, defect-free surface suited for demanding industrial purposes.

Q: What environments and industries benefit most from using Hastelloy C22 bars?

A: These bars excel in industries such as chemical processing, marine environments, pollution control, waste treatment, and pulp and paper production due to their excellent resistance to oxidizing and reducing agents, providing longevity and reliability where inferior alloys would corrode.

Q: When should Hastelloy C22 be chosen over other nickel alloys?

A: Hastelloy C22 should be selected when applications demand exceptional corrosion resistance, especially in extreme chemical or marine environments where both oxidizing and reducing conditions are present.

Q: Where are test certifications for Hastelloy C22 round bars applicable or necessary?

A: Test certificates (EN 10204 3.1 / 3.2) are often required in regulated industries or projects to verify material composition, mechanical properties, and heat treatment processes, ensuring compliance, traceability, and peace of mind for engineers and end-users.

Q: What is the typical process for ordering custom lengths or sizes of Hastelloy C22 bars?

A: Customers can specify required dimensions ranging from 3 mm to 350 mm in diameter and lengths between 100 mm and 6000 mm (or custom). Dealers, exporters, and manufacturers in India accommodate various tolerances and finishes as per project needs.

Q: How do the mechanical properties of Hastelloy C22 round bars enhance operational safety?

A: With high tensile and yield strengths (690 MPa and 283 MPa minimum) and a significant elongation rate (45% min), these bars provide robust structural integrity, reducing the risk of failures in critical operations.

Q: What are the main benefits of using solution-annealed Hastelloy C22 bars?

A: Solution annealing refines the microstructure, resulting in excellent mechanical properties, homogeneity, and corrosion resistance, which is crucial for maintaining superior performance in punishing industrial conditions.

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