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At Hazlewood Fasteners, we specialize in manufacturing and supplying top-quality Incoloy Screws in Canberra, Australia, built to perform in the most demanding environments. These screws are made from premium nickel-iron-chromium alloys, offering excellent resistance to oxidation, scaling, and corrosion, even at elevated temperatures. Designed for strength, stability, and long service life, Incoloy Screws are ideal for use in chemical plants, power generation, aerospace, and marine engineering applications. Their superior mechanical properties and precise threading ensure secure fastening under high pressure and heat, making them a trusted choice for critical industrial operations.
Incoloy Screws contain a balanced composition of nickel (30–46%), chromium, and iron, with additions of molybdenum, titanium, and aluminum depending on the specific grade. This composition provides outstanding resistance to carburization, oxidation, and stress-corrosion cracking. They exhibit tensile strength up to 760 MPa and yield strength around 345 MPa, maintaining performance in temperatures up to 1000°C. With excellent mechanical toughness, formability, and weldability, Incoloy Screws are designed to deliver reliable fastening solutions in environments that demand both heat and chemical resistance.
| 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 Screws are widely used across industries such as petrochemical, marine, power generation, aerospace, and heat treatment equipment. Their high resistance to acids, chlorides, and oxidizing environments makes them ideal for reactor vessels, furnace components, chemical processing units, and boiler assemblies. In offshore and marine structures, they prevent corrosion from seawater exposure. In heat exchangers and gas turbines, they retain strength and tightness even under thermal cycling. With unmatched durability and reliability, Hazlewood Fasteners’ Incoloy Screws ensure performance stability, making them the preferred choice for engineers worldwide.
At Hazlewood Fasteners, we ensure that our Incoloy screws are packed in a very secure manner to ensure that they get to you in the best condition. Every screw is covered with protective materials to ensure that they do not get damaged, rust or get contaminated in any way during transportation. Some of our packaging solutions are cartons that are strong and our packaging solutions can be made to order to match your needs. Through proper labeling and packing, we ensure that identification and handling is done effectively as a way of showing that we value our products and handle them with a lot of care.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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