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Brian Fasteners supplies high-performance Incoloy 825 Washers, specifically precision-engineered for use where excellent corrosion resistance in both oxidizing and reducing environments is needed. It is made in Houston, USA, of nickel-iron-chromium alloy Incoloy 825, which is resistant to sulfuric and phosphoric acids. Our washers find application as a distributor of loads and provision of joint integrity in harsh chemical, marine, and power generation conditions. All Incoloy 825 washers are produced according to ASTM B424 standards and undergo stringent quality testing to ensure high strength, dimensional accuracy, and long-term durability in corrosive and high-temperature applications.
Incoloy 825 Washers consist of 38–46% nickel, 19.5–23.5% iron, 19.5–23.5% chromium, with additions of molybdenum (2.5–3.5%), copper (1.5–3%), and titanium. This composition provides excellent resistance to sulfuric and phosphoric acids. Mechanical properties include tensile strength of 85–110 ksi, yield strength around 45 ksi, and Rockwell hardness of B85–C30. These washers perform well up to 1000°F and resist intergranular attack, pitting, and crevice corrosion, making them reliable in the harshest chemical service environments.
| 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 825 Washers are applied extensively in chemical processing facilities, particularly in equipment that deals with sulfuric acid, nitric acid, and chlorides. They are critical in nuclear fuel reprocessing, heat exchangers, and evaporators. For marine applications, they resist corrosion due to seawater and are applied in cooling systems and offshore platforms. The washers are also applied in acid production, pickling tanks, and scrubbers in pollution control systems. Their superior corrosion resistance and load-carrying ability make them essential for flanged connections and bolted joints in refineries, fertilizer plants, and pharmaceutical processing.
At Brian Fasteners, our Incoloy 825 washers are expertly packaged to arrive in perfect condition. Each washer is thoroughly inspected and individually wrapped in protective packaging to prevent damage. The laundry is then packaged in sturdy, labeled boxes that clearly display product information and quantities. Our packaging is designed to protect against environmental and physical impacts, ensuring that your quality Incoloy 825 washers meet your expectations upon delivery.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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