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Hastelloy C22 Stud Bolts are top-notch fasteners built to withstand the toughest chemical and industrial conditions. Crafted from Hastelloy C22, a robust nickel-molybdenum-chromium alloy, these bolts boast impressive mechanical strength and long-lasting durability against issues like pitting, crevice corrosion, and stress corrosion cracking. Suppliers in Hamilton, New Zealand, like Aria Fasteners, guarantee precise threading, consistent sizing, and compliance with international quality standards. These stud bolts are perfect for securing flanges, pressure vessels, pipelines, and industrial machinery where dependable fastening and resistance to severe corrosion are a must.
The composition of Hastelloy C22 Stud Bolts primarily includes nickel, along with molybdenum, chromium, iron, and tungsten, which gives them remarkable resistance to both oxidizing and reducing agents. On the mechanical side, they deliver high tensile strength, toughness, and stability under heavy loads. Their unique alloy mix ensures they can resist localized corrosion, stress corrosion cracking, and degradation at high temperatures, making them ideal for use in chemical, petrochemical, marine, and pharmaceutical settings where standard stainless steels might not hold up.
| Specifications | ASTM B574 / ASME SB574 |
|---|---|
| Fasteners size | 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 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of High Nickel Alloy Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated High Nickel Alloy Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | High Nickel Alloy : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), High Nickel Alloy, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
| Grade | C | Mn | Si | Co | S | Ni | Cr | Fe | Mo | W | V | P |
| Hastelloy Fasteners | 0.010 max | 1.0 max | 0.08 max | 2.5 max | 0.03 max | Bal | 14.5 – 16.5 | 4 – 7 | 15 – 17 | 3 – 4.5 | 0.35 max | 0.04 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Fasteners | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
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Hastelloy C22 Stud Bolts are widely used in high-demand environments due to their exceptional resistance to corrosion and high temperatures. They are ideal for chemical processing plants, petrochemical refineries, and marine applications, where exposure to aggressive chemicals and extreme conditions is common. These stud bolts are also employed in flue gas desulfurization systems, nuclear reactors, and other critical systems requiring reliable performance and durability. Their robustness ensures longevity and operational reliability in challenging environments.
These stud bolts find their place in various applications, including chemical processing plants, desalination systems, offshore and marine structures, and power generation facilities. They excel at securing flanges, heat exchangers, pipelines, and pressure vessels that come into contact with aggressive chemicals, chlorides, or oxidizing agents. With Hastelloy C22 Stud Bolts, you can count on maintaining joint integrity, preventing loosening, and achieving long-term reliability even in extreme environments. They’re also widely used in the pharmaceutical and food processing industries, ensuring safe and durable fastening where both mechanical strength and exceptional corrosion resistance are crucial.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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