Olwan Nickel Alloys, based in Amman, Jordan, is a reputable manufacturer and supplier of top-notch Hastelloy Washers, designed to excel in the toughest industrial and chemical settings. Known for their precision, reliability, and exceptional metallurgical knowledge, the company creates washers that offer remarkable corrosion resistance, mechanical strength, and long-lasting durability. By employing cutting-edge manufacturing techniques and rigorous quality control, Olwan Nickel Alloys guarantees that every Hastelloy Washer adheres to international performance and consistency standards. Catering to sectors like chemical processing, petrochemical, power generation, and marine applications, the company has built a solid reputation for delivering robust, high-performance washers for critical, high-stress operations.
Hastelloy Washers are crafted from nickel-molybdenum-chromium alloys, with popular grades such as C-22 or C-276 containing 50–60% nickel, 12–16% chromium, and 15–20% molybdenum, along with iron, cobalt, and trace elements. This unique composition provides exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, Hastelloy Washers boast high tensile and yield strength, impressive toughness, and good ductility. They maintain their shape and stability even under high temperatures, chemical exposure, and mechanical stress, ensuring reliability and long-term performance in demanding industrial applications.
| 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 Olwan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Washers in Amman, Jordan, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Jordan, 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 that require corrosion-resistant and durable fasteners. In chemical and petrochemical plants, they are paired with bolts and nuts to secure piping systems, reactors, heat exchangers, and pressure vessels that face acids, alkalis, and chloride-rich environments. Power generation facilities rely on them for high-temperature and high-pressure equipment like boilers and turbines. In marine and offshore applications, these washers are essential for ensuring the integrity and safety of critical components.
