Okoye Nickel Alloys is a well-respected manufacturer and supplier of Hastelloy Washers located in Kinshasa, Congo. We specialize in providing top-notch corrosion-resistant fastener solutions tailored for critical industrial applications. Our washers are made from high-quality Hastelloy alloys, renowned for their incredible strength and durability in harsh environments. They are designed to ensure reliable load distribution, resist vibrations, and support effective sealing, making them perfect for industries like chemical processing, marine, and power generation. At Okoye Nickel Alloys, we prioritize precise dimensional accuracy, quality finishing, and adherence to global standards, making our washers the go-to choice for demanding applications in both high-temperature and corrosive conditions.
Hastelloy washers are primarily made up of nickel, molybdenum, and chromium, with small amounts of tungsten, cobalt, and iron added based on the specific grade (like C22, C276, or B2). This unique composition provides them with exceptional resistance to both oxidizing and reducing agents. The material boasts impressive tensile strength (up to 790 MPa), good elongation (around 40%), and remarkable yield strength (approximately 355 MPa). It retains its mechanical integrity even at high temperatures. Thanks to their fine-grain structure and well-balanced alloy composition, these washers offer high toughness, ductility, and long-lasting performance in challenging chemical and marine environments.
| Standard | : | ASTM / ASME |
| Dimension | : | ASTM, DIN, BS, GB, IS and all International Standards |
| Length | : | M02 to M33 |
| Washer Size | : | 3 mm to 200 mm |
| Materials / Grades | : | Hastelloy |
| Type | : | Plain Washer, Spring Washer, Tooth Washer, Tapper Washer, Tab Washer, Star Washer etc. |
| Material | C | Mn | Si | S | Co | Ni | Cr | Fe | Mo | P |
| Hastelloy | 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 |
| Material | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Washers in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Hastelloy Washers find extensive use in industries where corrosion resistance and mechanical reliability are paramount. You’ll commonly see them in chemical and petrochemical processing plants, heat exchangers, reactors, flue gas scrubbers, and marine engineering equipment. They’re also utilized in pharmaceutical, pulp and paper, and waste treatment systems, where they help prevent joint loosening and failures caused by corrosion. These washers excel at providing superior sealing under varying pressure and temperature conditions, ensuring that assemblies remain intact and functional over time.
