Super Alloy Hastelloy C22 Flanges are weld neck flange highly resistant to corrosion and heat. It has been used for decades, primarily in the chemical process industries. The Hastelloy C22 material is known for its superior performance in environments with frequent exposure to harsh chemicals and liquids. It provides strength and reliability even when exposed to high temperatures, making it ideal for long-term durability and serviceability applications.

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Alloy C22 Flanges corrosion Resistance

Hastelloy C-22 Weldneck Flange provides excellent corrosion resistance in acidic and chloridic media. It shows superior corrosion resistance to most other alloys, even in highly oxidizing chloride solutions that tend to cause pitting. In addition, it offers good stress-corrosion cracking resistance and remarkable weldability with minimized sensitization resulting from the molybdenum and chromium content of the alloy composition. This makes Hastelloy C-22 Weldneck Flanges an ideal choice for high-temperature applications requiring maximum service life without compromising strength and reliability.

UNS N06022 Hastelloy® Alloy Socket weld Flanges, C-22 Nickel Alloy Weld Neck Flanges Manufacturer, Hastelloy® C22 Orifice Flange Traders, UNS N06022 Flanges, Hastelloy® C-22 Flanges Dealer, ASME 16.5 Hastelloy Alloy C22 Slip On Raised Face (SORF) Flanges, C22 Hastelloy Ring Type Joint Flanges (RTJ) Wholesaler, Class 300# C-22 Hastelloy® Lap Joint Flanges Exporters.

Grade C22 Flanges Machining

C22 Hastelloy flanges are widely used in various industrial applications and typically feature a Weldneck Flange, which allows for the easy connection of pipes with minimal welding. This flange type has a tapered hub that is counter-bored into that pipe to provide an internal shoulder upon which the bolt circles can be mounted. The large diameter of the Weldneck Flange provides added strength while transferring pressure from one side to the other. In addition, this type of flange features superior corrosion and temperature resistance properties that make it ideal for use in corrosive environments or high-temperature settings.

Hastelloy C22 Flanges

Hastelloy C22 Flanges

C22 Hastelloy Flanges chemical Features

ASTM B574 UNS N06022 Flanges are weld neck flanges made from nickel-chromium-molybdenum alloy. This combination offers excellent corrosion resistance in multiple environments, including high temperature and pressure conditions. Its features include superior strength over stainless steel, resistance to pitting corrosion, crevice corrosion and stress cracking, outstanding formability and fabrication characteristics for ease of welding and good flexibility in both annealed and aged states. It also offers good oxidation resistances up to 2200°F (1200°C).

UNS N06022 Flanges Uses

UNS N06022 flanges are known for their excellent corrosion resistance, weldability and strength. They are commonly used in chemical processing, pharmaceuticals, petrochemicals and marine engineering industries. The most common type of C-22 flange is the Weldneck Flange which offers superior joint integrity and high reliability due to its tapered hub, which allows an easy welding process with no maintenance required. This flange type has great handling capability over various temperatures, making it perfect for highly corrosive environments.

What is Hastelloy C22 flanges used for?

Hastelloy C22 flanges are used for various applications in chemical processing, oil and gas, pharmaceuticals, and marine engineering. These flanges are made from a super alloy highly resistant to corrosion and oxidation, making them an ideal choice for these environments. They also have excellent crevice corrosion resistance and superior stress corrosion cracking resistance, making them the perfect material for demanding applications.

What is the difference between Hastelloy C22 flanges and C276?

The main difference between Hastelloy C22 flanges and C276 is the material composition. Hastelloy C22 has a higher chromium content (26%) than Hastelloy C276 (24%), making it more resistant to corrosion and oxidation. Hastelloy C22 contains molybdenum and tungsten, which increases its strength and resistance to pitting, stress cracking, and crevice corrosion.

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Hastelloy® Alloy C22 Socket Weld Flanges Specification

Specifications ASTM B564 / ASME SB564

Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Size 1/2″NB TO 60″NB

Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Grade Hastelloy C22 Flanges UNS (N06022), DIN (2.4602)

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Hastelloy C-22 Flanges Equivalent Indian Standard

Hastelloy C22 N06022 2.4602 - NiCr21Mo14W NW 6022

ASTM B564 Hastelloy® Alloy C22 Forged Flanges Chemical Composition

Grade Ni C Mo Mn Si Fe P S Co Cr W V
Hastelloy C22 Balance 0.010 max 12.5-14.5 0.50 max 0.08 max 2-6 0.02 max 0.02 max 2.5 max 20-22.5 2.5-3.5 0.35 max

C-22 Hastelloy ASME SB564 Threaded / Screwed Flanges Mechanical Properties

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy C22 8.69 g/cm3 1399 °C (2550 °F) Psi – 1,00,000, MPa – 690 Psi – 45000, MPa – 310 45 %

Other Types of C22 Hastelloy Industrial Flanges

  • Hastelloy C-22 Slip On Flanges
  • C22 Hastelloy® Pipe Flanges
  • Nickel Alloy C-22 Blind Flanges
  • Hastelloy® Alloy C22 Orifice Flange
  • Hastelloy Alloy C-22 Long Weld Neck Flanges

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