HomeProducts & servicesSeamless Hastelloy C22 Nickel Alloy Steel Tube

Seamless Hastelloy C22 Nickel Alloy Steel Tube

Seamless ASTMB622 Hastelloy C22 Nickel Alloy Steel Tube is a cylindrical hollow component made from a corrosion-resistant nickel-chromium-molybdenum alloy, specifically designed to transport fluids or gases in highly corrosive environments.
① STANDARD: ASTM B622/ASME SB 622 for seamless ASTM B619/ASME SB 619 for welded, ...

② OD RANGE : 6-257 MM

③ THICKNESS RANGE: 1-35 MM

Hastelloy C22 /UNS N06022/ 2.4602 Chemical Composition

Grade

Ni

Cr

Mo

W

C

Si

Co

Mn

V

P

S

C22

Bal

20.00-22.50

12.50-14.50

2.50-3.50

≤0.015

≤0.080

≤2.50

≤0.50

≤0.35

≤0.02

≤0.02

Hastelloy C22 /UNS N06022/ 2.4602 Mechanical Properties

Grade

Tensile Strength ksi(MPa )

Yield Strength (MPa)

Elongation (%)

C22

≥100(690)

≥310

≥45

the ASTM B622 Nickel alloy seamless tube and pipe tolerance

Hastelloy C22 /UNS N06022/ 2.4602 Applications

    1. Chemical Processing:
      • Hastelloy C-22 is widely used in chemical reactors, heat exchangers, and other equipment.
      • Its exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking makes it suitable for aggressive chemical environments.
    2. Pharmaceutical Industry:
      • The alloy finds applications in pharmaceutical equipment, including tanks, pipes, and valves.
      • Its corrosion resistance ensures product purity and safety.
    3. Paper Production:
      • Hastelloy C-22 is employed in paper mills due to its resistance to corrosive chemicals used in paper processing.
      • It helps maintain equipment integrity and longevity.
    4. Oil Refining and Petrochemical Plants:
      • In these industries, Hastelloy C-22 is used for components exposed to aggressive media.
      • Its resistance to both reducing and oxidizing environments is crucial for maintaining operational efficiency.
    5. Flue Gas Equipment:
      • C-22 is utilized in flue gas desulfurization systems, where it resists sulfuric acid formation.
      • Its reliability ensures efficient pollution control.
    6. Medical Devices and Components:
      • Hastelloy C-22 is suitable for medical implants and devices due to its biocompatibility.
      • It is used in surgical instruments, dental tools, and other medical applications.

    Remember that Hastelloy C-22’s properties make it an excellent choice for environments where corrosion resistance and durability are critical.


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Hastelloy C22 /UNS N06022/ 2.4602 Material Summary

Nickel Alloy C22 tube is a fully austenitic nickel-based superalloy that's cost-effective for clients seeking ease of forming combined with superior corrosion resistance. Also known as Inconel 22 and Hastelloy C22, this material is highly ductile, making cold forming easier. Inconel 22 features resistance to an array of attacks from corrosion, pitting, crevice corrosion, intergranular, and stress corrosion cracking. Both cost effective and versatile; Inconel 22 is used by a wide variety of industries.

Nickel Alloy C-22 is a versatile Ni-Cr-Mo-W alloy with better comprehensive corrosion resistance performance than other Ni-Cr-Mo alloys, including Alloy C-276, Alloy C-4 and Alloy 625. Alloy C-22 has outstanding resistance to pitting, crevice corrosion and stress corrosion cracking. It has excellent resistance to oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chloride ions. It also offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams.

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② OD RANGE : 6-257MM
③ THICKNESS RANGE: 1-35 MM

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