Nickel alloys are known for their corrosion-resistant and temperature-resistant properties, making them popular for various industrial applications. Hastelloy C-22 and C-276 Fasteners are widely used among the many nickel alloys for their exceptional features. These alloys can be formed into fasteners for multiple applications.
Hastelloy C-22 Fasteners Features
Hastealloy C-22 is a versatile alloy with exceptional pitting, crevice corrosion, and stress corrosion cracking resistance. It has a high % chromium content of 22%, which provides superior corrosion resistance in oxidizing environments. The alloy is also resistant to reducing environments that contain sulfuric acid, hydrochloric acid, and phosphoric acid. Fasteners made from Hastealloy C-22 exhibit high strength, durability, and resistance to wear and tear, making them suitable for harsh environments.
Table Content
Hastelloy C-276 Fasteners Corrosion Resistance
Hastealloy C-276 is a high-performance alloy with superior corrosion resistance in various environments, making it suitable for chemical processing and marine applications. The alloy resists oxidizing and reducing environments containing chlorides, chlorine dioxide, and hypochlorite. It also has excellent resistance to stress corrosion cracking and pitting. Fasteners made from Hastealloy C-276 can withstand extreme temperatures, high pressure, and corrosive environments without losing strength and integrity.
Hastelloy C-22 Fasteners Chemical Composition
Hastelloy C-22 comprises nickel, chromium, molybdenum, tungsten, iron, and cobalt. It has a nickel content of 56%, which provides excellent resistance to corrosion and oxidation. It also has a low carbon content of less than 0.015%, which makes it resistant to intergranular attack. Hastealloy C-22's high molybdenum and tungsten content makes it resistant to localized corrosion, while chromium protects oxidizing agents.
Hastelloy C-276 Fasteners Applications
Hastelloy C-276 is a popular choice for fasteners in chemical processing, pulp and paper, and marine applications. Its excellent corrosion resistance makes it suitable for handling harsh chemicals such as sulfuric acid, hydrochloric acid, and acetic acid. It is also used in flue gas desulfurization systems, where it is exposed to wet flue gases that require resistance to chloride-induced corrosion. Fasteners made from Hastealloy C-276 are also used in seawater environments where resistance to pitting and crevice corrosion is essential.
Hastelloy C-22 Fasteners Heat Treatment
Hastealloy C-22 and C-276 are both heat-treatable alloys, but they require specific conditions to achieve the desired properties. Hastealloy C-22 can be annealed at 2025°F and quenched in water or air for superior corrosion resistance and flexibility. Hastelloy C-276, on the other hand, needs to be annealed at 2100°F to 2150°F and quenched in water to attain the same properties. Both alloys can be cold-worked to increase their strength and hardness.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM B574 / ASME SB574 |
| Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Machine Screws Size | M1.6 – M12 |
| Self Tapping Screw Size | No.2 – No. 14 |
| Length | 3 mm to 200 mm |
| Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Fasteners |
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| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production Process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Types | Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc. |
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Hastelloy C276 Bolts
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Hastelloy C276 Nuts
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Hastelloy C276 Washers
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Nickel Alloy C22 Screw
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Alloy C276 Stud Bolt
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C22 Hastealloy Alloy U Bolts
- UNS N10276 Fasteners
- Hastelloy C22 Industrial Fasteners
- Hastelloy C22 Fasteners
- Hastelloy® Alloy C22 Anchor Fasteners
- Hastelloy C22 Stud Bolts
- Hastelloy C276 Fasteners
- C22Hastelloy Alloy U Bolts
- Hastelloy C276 Nut Bolt
- C276 Hastelloy Socket Set Screw
- Nickel Alloy C276 Dome Washer
- Hastelloy C22 Washer
- Alloy C276 Heavy Hex Bolts
- Hastelloy C22 Carriage Bolts
- Hastelloy C276 Washers
- Hastelloy Alloy C276 Fastener
- ASME SB574 Hastelloy C276 Fasteners
- Alloy C276 Fasteners
- Hastelloy C276 Fasteners Price List
- Nickel Alloy C22 Square Nuts
- Alloy C22 Eye Bolts
- Hastelloy C22 Flat Washers
- Hastelloy C22 Studs
- Hastelloy C276 Ogee Washers
- UNS N06022 Fasteners
- Hastelloy C22 Spring Washer
- Hastelloy C276 Bolts and Nuts
- Nickel Alloy C-22 Coupling Nuts
- Hastelloy Alloy C-22 Plain Washer
- Hastelloy C22 Allen Cap Screw
- Hastelloy C276 Threaded Rod
- Hastelloy C276 Structural Bolts
- C-276 Hastelloy Hex Head Bolt
- Hastelloy® Alloy C22 Self Tapping Screw
- Hastelloy 2.4819 Fastener
- Hastelloy C276 Heavy Hex Nuts
- Hastelloy 2.4602 Fasteners
- Hastelloy® Alloy C276 Acorn Nuts
- Thick Hastelloy C276 Washers
- Hastelloy® Alloy C22 Wing Nuts
- Alloy C-276 Self Locking Nuts
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN | OR |
| Hastelloy C276 | 2.4819 | N10276 | NW 0276 | ХН65МВУ | NiMo16Cr15W | ЭП760 |
| Hastelloy C22 | 2.4602 | N06022 | NW 6022 | – | NiCr21Mo14W | – |
| Grade | C | Mn | Si | S | Co | Ni | Cr | Fe | Mo | P |
| C276 | 0.010 max | 1.00 max | 0.08 max | 0.03 max | 2.50 max | 50.99 min* | 14.50 – 16.50 | 4.00 – 7.00 | 15.00 – 17.00 | 0.04 max |
| C22 | 0.010 max | 0.50 max | 0.08 max | 0.02 max | 2.50 max | 50.015 min* | 20.00 – 22.50 | 2.00 – 6.00 | 12.50 – 14.50 | 0.02 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy C276 | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
| Hastelloy C22 | 8.69 g/cm3 | 1399 °C (2550 °F) | Psi – 1,00,000 , MPa – 690 | Psi – 45000 , MPa – 310 | 45 % |
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