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At Hazlewood Fasteners, we manufacture and supply high-performance Incoloy Washers in Canberra, Australia, built to deliver strength, stability, and corrosion resistance in the most demanding environments. Made from a nickel-iron-chromium alloy, these washers exhibit excellent resistance to oxidation, carburization, and high-temperature corrosion. Known for their toughness and long service life, Incoloy Washers are widely used where both mechanical integrity and chemical durability are essential. Whether for chemical processing, power generation, or marine engineering, our Incoloy Washers ensure reliable sealing, load distribution, and performance under extreme temperatures and corrosive atmospheres.
Incoloy Washers are primarily composed of nickel (30–45%), iron, and chromium, with small additions of molybdenum, titanium, copper, and aluminum depending on the grade (such as Incoloy 800, 825, or 925). These alloys provide outstanding resistance to oxidation and sulfidation up to 1100°C, while maintaining excellent mechanical strength. They exhibit tensile strengths ranging from 550 to 750 MPa and strong creep-rupture properties. Their ability to resist stress-corrosion cracking and pitting in acidic and high-temperature environments makes Incoloy Washers a durable and reliable fastening solution.
| 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 are extensively used in chemical and petrochemical plants, power generation facilities, marine applications, and heat exchangers. They are ideal for high-temperature and high-pressure systems exposed to corrosive media such as acids, seawater, and flue gases. In oil and gas refineries, these washers ensure tight, secure joints in piping systems and reactors. They also play a key role in industrial furnaces, boilers, and superheaters, where oxidation resistance is critical. Hazlewood Fasteners’ Incoloy Washers are trusted worldwide for their durability, precision, and ability to maintain performance even under extreme industrial conditions.
At Hazlewood Fasteners, we pay special attention to the packing of our Incoloy washers . Every washer is packed in a protective covering to minimize on any form of damage, rusting or contamination from the environment during transportation. Our packaging material is cartons and we provide personalized packaging services to meet your requirements. We ensure that our products have clear labels and are packed in a systematic manner to enhance identification and handling, thus, our ability to deliver quality products in their respective packing
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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