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Inconel 625 Nuts are top-notch, corrosion-resistant fasteners built to thrive in some of the toughest industrial, marine, and high-temperature settings. Made from Inconel 625, a robust nickel-chromium-molybdenum alloy, these nuts deliver outstanding strength, resistance to oxidation, and impressive long-term durability. Suppliers in Hamilton, New Zealand, like Aria Fasteners, guarantee precise threading, consistent dimensions, and compliance with international quality standards. Inconel 625 Nuts are perfect for securing bolts and stud bolts in pipelines, pressure vessels, heat exchangers, and industrial equipment that face extreme heat, corrosive substances, or heavy mechanical stress.
These nuts are primarily made of nickel and chromium, with notable amounts of molybdenum and niobium to boost their resistance to corrosion and oxidation. On the mechanical side, they offer high tensile and yield strength, remarkable toughness, and excellent fatigue resistance. They maintain their shape even under extreme temperatures and resist issues like pitting, crevice corrosion, and stress corrosion cracking. Thanks to their unique alloy composition, they perform exceptionally well in environments where regular stainless steels or carbon steels would falter under thermal and chemical stress.
| Grade | C | Mn | Si | S | Al | Ti | Fe | Ni | Cr |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | 0.40 max | 0.40 max | 5.0 max | 58.0 min | 20.0 – 23.0 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa -930 | Psi – 75,000 , MPa – 517 | 42.5 % |
Standard ASTM F467, ASTM B564, B446 / ASME SF467, ASME SB564, SB446
Dimensions ANSI B18.2.2, DIN 934,ISO 4032, BS1768, BS 1769
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Size M02 to M160
Type Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling
Length 3 mm to 200 mm
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Inconel 625 nuts are widely used in applications requiring high strength and corrosion resistance. In space, components in aircraft engines and exhaust systems are tightly packed, withstanding extreme temperatures and pressures. In the marine environment, they resist seawater erosion, making them suitable for offshore platforms and subsea devices. In chemical plants they provide reliable contact in dealing with corrosive chemicals and high pressure conditions. Their durability and flexibility make them ideal for critical applications in extreme environments.
Inconel 625 Nuts find their place in chemical processing plants, offshore platforms, aerospace systems, power generation units, and high-temperature industrial applications. They’re ideal for fastening flanges, pressure systems, pumps, valves, and structural components that are exposed to intense heat, seawater, acids, or corrosive gases. These nuts ensure a secure, long-lasting joint integrity and prevent loosening due to vibration or thermal cycling. Additionally, Inconel 625 Nuts are utilized in marine engineering, pharmaceutical equipment, and specialized industrial projects that demand durable, corrosion-resistant, and high-strength fastening solutions.
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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