Hunan Dinghan New Material Technology Co., LTD
                                                                                                           
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Hastelloy C22 Forged Flange, ASME B16.5 Standard Industrial Piping Component

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: (Sample order) 7 days
Brand: DINGSCO
Product Description

Hastelloy C22 (UNS N06022) High Temperature Corrosion Resistant Forged Flange

Hastelloy C22 (UNS N06022) Forged Flange is a high-performance nickel alloy flange manufactured through forging, heat treatment, and precision machining processes. It offers excellent corrosion resistance, high-temperature stability, and reliable mechanical strength, providing outstanding resistance to strong acids, chloride environments, and severe corrosive media. It is widely used in chemical, petrochemical, environmental protection, and marine engineering applications.

Key Features

  • Excellent corrosion resistance against pitting, crevice corrosion, and chloride attack.
  • Excellent high-temperature stability for severe service conditions.
  • Dense forged structure with high strength and long service life.
  • Excellent weldability for complex piping systems.

Typical Applications

  • Chemical processing equipment and piping systems.
  • Oil refining, gas processing, and sour service applications.
  • Flue gas desulfurization and environmental protection equipment.
  • Seawater systems, offshore engineering, and marine equipment.
  • Pharmaceutical, fine chemical, and highly corrosive media piping components.

Chemical Composition (wt%)

Element Ni  Cr Mo W Fe Co C Si Mn V
Range Balance 20.0 - 22.5 12.5 - 14.5 2.5 - 3.5 2.0 - 6.0 ≤2.5 ≤0.015 ≤0.08 ≤0.50 ≤0.35

Mechanical Properties (Solution Annealed+Water Quenched)

Property Value
Tensile Strength (Rm) ≥ 690 MPa (100 ksi)
Yield Strength (Rp0.2) ≥ 310 MPa (45 ksi)
Elongation (A5) ≥ 45 %
Density 8.69 g/cm³
Hardness ≤100 HRB
Elastic Modulus 209 GPa

Caution

  • Verify material grade, dimensions, and pressure rating before installation.
  • Avoid direct contact with dissimilar metals to prevent galvanic corrosion.
  • Use proper nickel alloy welding and machining procedures to maintain corrosion resistance.
  • Regular inspection is recommended under high-temperature, high-pressure, and corrosive conditions.
  • Prevent mechanical damage and surface contamination during storage and transportation.

Contact our sales team today to get competitive quotations, technical data sheets, or discuss your customization requirements.




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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hunan Dinghan New Material Technology Co., LTD
Location No. 2319, Building 2, Dongfang Furong Garden, No. 582 Yuanda 1st Road, Hehuayuan Street,Furong District, Changsha, Hunan Province, China.
Contact Person Julia Wang

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