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Incoloy Washers are top-notch, corrosion-resistant fasteners crafted for tough industrial, chemical, and high-temperature settings. Made from Incoloy alloys—nickel-iron-chromium superalloys—these washers deliver outstanding strength, durability, and resistance to oxidation, corrosion, and thermal wear. Suppliers like Aria Fasteners in Hamilton, New Zealand, guarantee precise dimensions, consistent thickness, and rigorous quality checks. These washers are perfect for evenly distributing loads, preventing surface damage, and boosting the reliability of bolts, nuts, and studs in situations that demand exceptional mechanical performance and resilience against harsh chemicals and high temperatures.
Primarily composed of nickel, iron, and chromium, Incoloy Washers also contain small amounts of molybdenum and other elements to further enhance their resistance to corrosion and oxidation. They boast impressive tensile strength, toughness, and stability under heavy loads and elevated temperatures. Thanks to their unique alloy composition, they resist pitting, crevice corrosion, and thermal degradation, making them ideal for use in chemical, petrochemical, marine, and high-temperature industrial applications. These washers help maintain joint integrity and protect surfaces while supporting the mechanical performance of fasteners in extreme conditions.
| Grades |
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| ASTM | ASTM F2281, ASTM F468M, ASTM F468 UNS N08825, ASTM F467 |
| Incoloy Washers Sizes |
Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Incoloy Fasteners |
| Alloy 825 Bolts Size Metric |
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| Incoloy Hex Bolts Size Inch |
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| Standard | Manufacturer of Incoloy Washers as per IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards
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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 |
||||
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Incoloy Fasteners |
Psi – 75,000 , MPa – 520 |
Psi – 30,000 , MPa –205 |
30 |
– |
– |
|
Grade |
C |
Mn |
Si |
Fe |
S |
Cr |
Al-Ti |
Ni |
|
|
Incoloy Fasteners |
min. |
– |
– |
– |
39.5 |
– |
19.0 |
0.15 |
30.0 |
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.
Incoloy washers manufactured are critical in a number of high performance related operations. In chemical processing they are able to manage exposure to aggressive chemicals and high temperatures. In aerospace, they offer safe sealing and separation where conditions are likely to be harsh. In power generation, they protect against corrosive agents and heat. Furthermore, Incoloy washers are applied in oil and gas industries due to their high performance in conditions that are unfriendly to other materials.
Incoloy Washers find their place in chemical processing plants, offshore platforms, power generation facilities, heat exchangers, and high-temperature industrial systems. They work wonders with flanges, pipelines, pressure vessels, and machinery that operate in corrosive or high-temperature environments. By preventing loosening, distributing clamping loads, and extending the lifespan of bolted assemblies, Incoloy Washers are also utilized in pharmaceutical, food processing, and specialized industrial applications, ensuring reliability across the board.
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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