Incoloy 825 nuts made in Da Nang, Vietnam, are precision-engineered fastening components meant for highly corrosive environments. Made from nickel-iron-chromium alloys with added molybdenum, copper, and titanium, these nuts provide excellent resistance to oxidizing and reducing agents. They are used in chemical processing, marine, and energy industries where long-term performance matters. Local manufacturers ensure accurate dimensions, smooth threading, and high durability of Incoloy 825 nuts. Their strong resistance to stress corrosion cracking and pitting makes them reliable fasteners for equipment exposed to acids, seawater, and other aggressive environments.
Incoloy 825 nuts include nickel, iron, chromium, molybdenum, copper, and titanium. Nickel guarantees corrosion resistance, chromium offers oxidation resistance, and molybdenum and copper improve resistance to reducing agents. Titanium strengthens the alloy and helps prevent intergranular corrosion. These nuts typically achieve tensile strengths between 550 and 650 MPa, along with good elongation and toughness. They remain stable across a wide temperature range, resisting stress corrosion cracking and creep. Their balanced chemical makeup makes them suitable for fastening components that face both oxidizing and reducing chemical environments.
| Specifications | : | ASTM B 425 ASME SB 425 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | Fe | S | Cr | Cu | Ti | |
| 825 | min. | – | – | – | 22.0 | – | 19.5 | 1.5 | 0.6 |
| max. | 0.05 | 1.0 | 0.5 | – | 0.015 | 23.5 | 3.0 | 1.2 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 825 | Psi – 80,000 , MPa – 550 | Psi – 32,000 , MPa –220 | 30 | – | – |
At Xuan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Incoloy 825 Nuts Da Nang, Vietnam, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Vietnam, 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.
Incoloy 825 nuts are widely used in chemical processing for fastening equipment such as heat exchangers, scrubbers, and reactors exposed to sulfuric and phosphoric acids. They are employed in marine industries for offshore structures, seawater piping, and shipbuilding. Power generation facilities rely on them in boilers, condensers, and high-temperature systems that need corrosion resistance. Pollution-control equipment and desalination plants also use Incoloy 825 nuts for secure and durable fastening. Their outstanding resistance to aggressive chemical and marine environments ensures lasting performance in critical fastening applications across many industrial sectors.
