Hastelloy C22 hex nuts are a type of fastener made from a high-performance nickel-based alloy known as Hastelloy C22, which is designated as UNS N06022. These nuts are widely recognized for their exceptional corrosion resistance and superior mechanical properties, making them a preferred choice in various demanding industrial applications, particularly in environments where exposure to aggressive chemicals is a concern.

Hastelloy C22 is part of the Hastelloy family, which was developed by Haynes International Inc. It contains a well-balanced composition of nickel, chromium, molybdenum, and tungsten, along with low levels of iron. These alloying elements contribute to the outstanding resistance of Hastelloy C22 to corrosion caused by a wide range of corrosive substances, such as acids, oxidizing chemicals, and reducing agents. This corrosion resistance is essential in industries like chemical processing, pharmaceuticals, and petrochemicals, where the integrity of fasteners is critical for safety and performance.

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Hastelloy C22 Hex Nuts
  • UNS


  • WNR



    ASTM B574 / SB574


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The hex shape of these nuts provides a convenient and secure method for tightening and loosening using common tools such as wrenches or socket sets. This makes them suitable for a wide range of applications, including pressure vessels, pipelines, pumps, and valves, where the nuts need to be securely fastened and easily maintained. Hastelloy C22 hex nuts are available in various sizes and thread specifications to accommodate diverse requirements.

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fevicon-logo Hastelloy C22 Hex Nuts Specification

SpecificationsASTM B574 / ASME SB574
Size Cold Forming process: M2-M24
Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg
CNC Machining for M100 / 4” Dia, up to 1500mm lg
Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Hastelloy Hex Nuts
Hex Nut Sizes Metric Dia: M10 – M110 / Length: 12 – 1200MM
Hex Nuts Size Inch Dia: 1/2″ – 4.0″ / Length: 1/2″ – 52″
Length3 to 200 mm
Types Heavy Hex Nuts, Large Heavy Hex Nuts, Heavy Hex Jam Nut, Heavy Hex Coupling Nut, Heavy Duty Hex Nuts
DIN Standard DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315
DimensionsASME B18.2.2 Heavy Hex Nuts, ASME B18.2.4.6M Metric Heavy Hex Nuts, ASME B18.16.6 / ASME B18.16.4 / ASME B18.2.2
ThreadsMETRIC, BSW, UNC, UNF, BSF or as required
Hex Nuts FormingHot Forged Hex Nuts & Cold Forged Hex Nuts
UTS – Unified Thread StandardUNC, UNF, NPT, UNS, UNEF, NPTF

Some key attributes of Hastelloy C22 hex nuts include:
Corrosion Resistance: As mentioned earlier, Hastelloy C22 is highly resistant to corrosion, including pitting, crevice corrosion, and stress corrosion cracking.
Temperature Stability: These nuts maintain their strength and integrity in high-temperature applications, which is crucial in industries where elevated temperatures are common.
Mechanical Strength: Hastelloy C22 provides excellent mechanical properties, making it suitable for applications requiring high tensile strength and resistance to deformation.
Longevity:The longevity of Hastelloy C22 hex nuts is exceptional, reducing maintenance and replacement costs over time.
Wide Range of Applications: These nuts find application in diverse industries, including chemical processing, pharmaceuticals, waste treatment, and pollution control.

Quality Assurance

To preserve the high standards of our selection of industrial hex nuts, we have always adhered to a systematic quality management process.

Team OF Experts

Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of hex nuts.

fevicon-logo Equivalent Grades Of Hastelloy C22 Hex Nuts

Hastelloy C22 N06022 2.4602 NW 6022 NiCr21Mo14W

fevicon-logo Chemical Composition of Hastelloy C22 Hex Nuts

Grade C Mn Si S Co Ni Cr Fe Mo P
Hastelloy C22 0.010 max 0.50 max 0.08 max 0.02 max 2.50 max 50.015 max 20.00 - 22.50 2.00 - 6.00 12.50 - 14.50 0.02 max

fevicon-logo Mechanical Properties of Hastelloy Alloy C22 Hex Nuts

Grade Tensile (ksi) .2% Yield (ksi) Elongation % Hardness (HRb)
C22 115 55 60 89

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fevicon-logo Types of Hastelloy C22 Hex Nuts

Hex Nuts

Hastelloy C22 Hexagon Nuts

Heavy Hex Nuts

Hastelloy C22 Heavy Hex Nuts

Hex Weld Nuts

Hastelloy C22 Hex Weld Nuts

Hex Flange Nut

Hastelloy C22 Hex Flange Nut

Hex Coupling Nut

Hastelloy C22 Hex Coupling Nut

Hex Jam Nut

Hastelloy C22 Hex Jam Nut

Slotted Hex Nuts

Hastelloy C22 Slotted Hex Nuts

Hex Nylock Nuts

Hastelloy C22 Hex Nylock Nuts

Hex Nuts Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools

fevicon-logo Other Types Of Hastelloy C22 Hex Nuts

Hastelloy C22 Hex Nuts Stockist Nickel Alloy C22 Hex Nut
Alloy C22 Hex Nuts Supplier in Mumbai C22 Hastelloy Hex Nuts Manufacturer
Hastelloy N06022 Hex Nut Hastelloy 2.4602 Hexagonal Nuts
Hastelloy C22 Hex Nut Suppliers C22 Hastelloy Industrial Hex Nuts
Alloy C22 Hex Nuts Stockist in Mumbai ASTM B574 C22 Hex Nut
C22 Hastelloy Alloy Hex Nuts Stockist in India C22 Hastelloy Hexagon Dome Nuts
C22 Hastelloy Alloy Hex Nuts Manufacturer in India High Quality Hastelloy C22 Hex Nuts
C22 Hastelloy Slotted Hex Nuts Hastelloy C22 Hex Nuts Manufacturer in Mumbai
Hastelloy Alloy C22 Hex Nut Supplier in India Hastelloy C22 Hex Thin Nuts

fevicon-logo Hastelloy C22 Hex Nuts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
Nut Bolt