Hastelloy C22 Fasteners Supplier
MT.BOLTS manufactures Hastelloy C22 fasteners using premium corrosion-resistant nickel-based alloys. These fasteners are designed for use in extreme environments that involve strong oxidizing agents, mixed acid media, and chloride-laden atmospheres. They are widely used in chemical processing, flue gas scrubbers, waste treatment, and marine applications.
Our HASTELLOY C22 fasteners have the following specifications:
- Diameter: M3 to M64 | #4 to 2.5″
- Length: 6 mm to 500mm | 0.25″ to 20″
- Thread Pitch: Metric (Coarse/Fine) | UNC/UNF
- Standards: ASME B18.2.1, ASME B18.3, ASME B18.2.2, DIN/ISO/EN (e.g., DIN 933, DIN 934)
- Material Specifications: ASTM B574 (Hastelloy C22), ASTM B564, ASTM B619, ASTM B622
- Types: Bolts, Screws, Nuts, Washers, Studs
We regularly supply Hastelloy fasteners and bolts made from Hastelloy C22. For your procurement reference, its chemical composition and physical properties are provided below.
| Alloy Grade | UNS Number | Characteristics |
| Hastelloy C22 | N06022 | Superior resistance to a wide range of aggressive chemicals, including strong oxidizers, wet chlorine, formic and acetic acids; excellent resistance to pitting, crevice corrosion, and stress corrosion cracking |
Hastelloy C22 Fasteners Chemical Composition
| Element | Content (%) |
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20.0 – 22.5 |
| Molybdenum (Mo) | 12.5 – 14.5 |
| Iron (Fe) | 2.0 – 6.0 |
| Tungsten (W) | 2.5 – 3.5 |
| Cobalt (Co) | ≤ 2.5 |
| Manganese (Mn) | ≤ 0.5 |
| Vanadium (V) | ≤ 0.35 |
| Silicon (Si) | ≤ 0.08 |
| Carbon (C) | ≤ 0.015 |
| Sulfur (S) | ≤ 0.02 |
| Phosphorus (P) | ≤ 0.02 |
Hastelloy C22 Fasteners Mechanical Properties
| Property | Value |
| Tensile Strength | ≥ 690 MPa (100 ksi) |
| Yield Strength (0.2%) | ≥ 283 MPa (41 ksi) |
| Elongation (in 2″) | ≥ 40% |
| Hardness | ≤ 100 HRB |
Hastelloy C22 Fasteners Types
MT.BOLTS offers a comprehensive range of Hastelloy C22 Fasteners for your selection to meet various application requirements:
Hastelloy C22 Hex Head Screw Bolts
Hastelloy C22 Square Head Bolts
Hastelloy C22 Flange Bolts
Hastelloy C22 Serrated Flange Bolts
Hastelloy C22 Eye bolts
Hastelloy C22 Carriage Bolts
Hastelloy C22 Elevator Bolts
Hastelloy C22 U-Bolts
Hastelloy C22 Anchor Bolts
Hastelloy C22 Expansion Bolt
Hastelloy C22 Lag Bolts
Hastelloy C22 U-Bolts
Hastelloy C22 Hex Head Lag Screws
Hastelloy C22 Shoulder Screws
Hastelloy C22 Socket Cap Screws
Hastelloy C22 Self-Tapping Screws
Hastelloy C22 Hex Nuts
Hastelloy C22 Serrated Flange Nuts
Hastelloy C22 Lock Nuts
Hastelloy C22 Wing Nuts
Hastelloy C22 Coupling Nut
Hastelloy C22 Square Nuts
Hastelloy C22 Acorn Nuts
Hastelloy C22 Wing Nuts
Hastelloy C22 Fully Threaded Rods & Studs
Hastelloy C22 Equal Thread Length Rods & Studs
Hastelloy C22 Unequal Thread Length Rods & Studs
Hastelloy C22 Single End Threaded Studs
Hastelloy C22 Weld Studs
Hastelloy C22 Press-In Captive Studs
Hastelloy C22 Flat Washers
Hastelloy C22 Lock Washers
Hastelloy C22 Curved Washers
Hastelloy C22 Wave Washers
Hastelloy C22 Square Washers
Hastelloy C22 Belleville Washers
Why Choose MT.BOLTS
- Material Diversity
- Standardized Production
- Ample Inventory
- Competitive Pricing
- Low-MOQ Customization
Reasons to Choose Hastelloy C22 Fasteners
- Exceptional Corrosion Resistance
Resistant to both oxidizing and reducing environments, including wet chlorine, nitric acid, and ferric/ cupric chlorides. - Excellent Pitting & Crevice Corrosion Resistance
High Chromium and Molybdenum content ensures superior resistance to localized corrosion in aggressive environments. - High Thermal Stability
Maintains mechanical properties and corrosion resistance at elevated temperatures, making it ideal for high-temperature processes. - Stress Corrosion Cracking Resistance
Strong resistance to chloride-induced stress corrosion cracking (SCC), ideal for harsh marine and chemical environments. - Versatile Across Industries
Suitable for use in a wide range of industries such as chemical, marine, aerospace, and pollution control.
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Application of Hastelloy C22 Fasteners
- Chemical Processing Plants
Fasteners for reactors, heat exchangers, and pipelines exposed to aggressive acids and chemicals. - Marine and Offshore Equipment
Used in seawater handling, desalination systems, and marine exhaust systems. - Pharmaceutical and Food Industries
Ensures hygiene and resistance to corrosive cleaning chemicals and process media. - Pulp and Paper Bleaching Systems
Resistant to chlorine dioxide and other oxidizing bleaching agents. - Pollution Control Equipment
Ideal for flue gas scrubbers, stack liners, and waste incineration units. - Nuclear and Power Generation
Fasteners for containment vessels, control systems, and chemical feed systems.
FAQ About Hastelloy C22 Fasteners and Bolts
ASTM B574 for bars and rods, ASTM B564 for forgings, and related DIN/ISO fastener standards.
No, while both are corrosion-resistant, C22 offers better resistance in mixed oxidizing/reducing environments than C276.
Yes, they perform exceptionally well in seawater, even under high temperatures and pressures.
Yes, it is weldable using proper techniques like GTAW or GMAW with matching filler materials.
C22 offers significantly better resistance to pitting, crevice corrosion, and strong chemical media than 316 SS.
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