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Hamad Fasteners, located in Riyadh, Saudi Arabia, is a reliable manufacturer and supplier of high-performance industrial fasteners designed to endure harsh corrosive environments. Our Incoloy 825 Nuts are specifically crafted for the chemical processing, marine, and pollution control sectors, where resistance to acids and aggressive chemicals is essential. Built to meet international standards, these nuts provide outstanding mechanical strength and corrosion resistance, ensuring they perform dependably even in the most demanding and corrosive conditions.
Incoloy 825 Nuts are made from a nickel-iron-chromium alloy, enhanced with molybdenum, copper, and titanium. The typical makeup includes around 38–46% nickel, 19.5–23.5% iron, 19.5–23.5% chromium, 2.5–3.5% molybdenum, and 1.5–3% copper. These nuts boast a tensile strength of 585–790 MPa and exceptional resistance to sulfuric, phosphoric, nitric, and hydrochloric acids. The alloy is also highly resistant to stress corrosion cracking, pitting, and crevice corrosion, making it perfect for tough chemical environments.
| Grades |
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| ASTM | ASTM F2281, ASTM F468M, ASTM F468 UNS N08825, ASTM F467 |
| Incoloy Fasteners Sizes |
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| Alloy 825 Bolts Size Metric |
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| Incoloy Hex Bolts Size Inch |
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| Standard | Manufacturer of Incoloy Fasteners 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 |
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|
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 |
– |
– |
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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 Nuts find extensive use in chemical processing plants, acid production equipment, offshore oil and gas systems, nuclear fuel reprocessing, and marine settings. They are particularly suited for fastening flanges, valves, and pressure vessels that are exposed to acidic and oxidizing conditions. With remarkable resistance to both oxidizing and reducing agents, Incoloy 825 ensures long-lasting durability, minimizes maintenance needs, and provides reliable sealing under high stress and corrosive exposure. It’s the go-to material when performance and safety are absolutely critical.
At Hamad Fasteners, we take great care in fastening our Incoloy 825 Nuts to ensure they reach you in perfect condition. Each nut is carefully inspected and packed with high quality materials to prevent any damage during transport. We use sturdy boxes and protective cushioning to protect and protect the seedlings from moisture, corrosion and physical impact. Our packaging materials comply with industry standards, guaranteeing that your Incoloy 825 Nuts will arrive ready for immediate use during your critical application.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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