Okoye Nickel Alloys, the leading manufacturer and distributor in Kinshasa, Congo, proudly offers high-quality Hastelloy C22 stud bolts. Renowned for their exceptional resistance to corrosion, these bolts are ideal for use in harsh chemical environments and high-temperature applications. Manufactured to the highest standards, Hastelloy C22 stud bolts from Okoye Nickel Alloys ensure superior performance and reliability in demanding industries such as oil and gas, petrochemicals, and power generation. With a commitment to excellence and customer satisfaction, Okoye Nickel Alloys is your trusted partner for durable and efficient fastening solutions in the Congo.
| Specification | ASTM F468, B574 / ASME SF468, SB574 |
|---|---|
| Size | M02 to M33, Custom Sizes |
| Length | 3 mm to 200 mm |
| Stud Bolt | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard | DIN 525, DIN 835, DIN 938, DIN 939, DIN 940, DIN 949-1, DIN 949-2, DIN 975, DIN 976, DIN 2509, BS 2693, BS 3692, BS 4439, IS 1862, IS 13178, ANSI/ASME B18.31.2, ANSI/ASME B16.5 |
| 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 |
| Types | Stud Bolts, Fully Threaded Stud Bolts, Tap End Stud Bolts, Double End Stud Bolts, Stud Bolts with Reduced Shank, Reduced Shank, Flange Stud Bolts, Flange Bolting, Weld Studs |
| 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 |
| Head drive of Stud Bolts | Six-Lobe, Phillips, Phillips/Slot, Slotted etc |
| Packing of Stud Bolts | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Ptfe Coated Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Grade | C | Mn | Si | S | Co | Ni | Cr | Fe | Mo | P |
| Hastelloy C22 Stud Bolts | 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 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.69 g/cm3 | 1399 °C (2550 °F) | Psi – 1,00,000 , MPa – 690 | Psi – 45000 , MPa – 310 | 45 % |
The **Hastelloy C22 Stud Bolts** are made up of a minimum of 57% nickel, 20–22% chromium, 12–14% molybdenum, and 2–3% tungsten, along with trace amounts of iron and cobalt to boost their mechanical properties and corrosion resistance. These bolts are known for their high tensile strength, excellent ductility, and remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in aggressive chemical and marine environments. The alloy also remains stable at high temperatures, making it perfect for demanding industrial applications where reliability and durability are crucial.
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The **Hastelloy C22 Stud Bolts** produced by Okoye Nickel Alloys find extensive use in chemical reactors, heat exchangers, piping systems, offshore platforms, desalination plants, and marine equipment. They are particularly effective for securing components that come into contact with oxidizing and reducing acids, chloride-rich solutions, and other corrosive substances. Okoye Nickel Alloys guarantees precise threading, dimensional accuracy, and thorough quality testing, delivering Hastelloy C22 Stud Bolts that ensure long-lasting mechanical performance, exceptional corrosion resistance, and reliable service in the toughest industrial and marine conditions.
