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Aria Fasteners is a reliable manufacturer and supplier located in Hamilton, New Zealand, specializing in high-quality Incoloy 825 Stud Bolts designed for tough industrial, marine, and chemical applications. Renowned for their precision engineering and rigorous quality control, these bolts are crafted from advanced nickel-iron-chromium alloys that include molybdenum and copper. This unique blend ensures outstanding corrosion resistance, stability at high temperatures, and impressive mechanical strength. Incoloy 825 Stud Bolts are perfect for use in chemical processing plants, offshore oil and gas facilities, marine structures, and power generation equipment, providing secure fastening, dependable load distribution, and long-lasting durability even in harsh and corrosive environments.
These stud bolts are made from a nickel-iron-chromium alloy that contains about 38–46% nickel, 19–23% chromium, 2.5–3.5% molybdenum, and 1.5–3% copper. This specific composition offers remarkable resistance to oxidation, stress corrosion cracking, and corrosion in both oxidizing and reducing environments, including acids, seawater, and other aggressive substances. On the mechanical side, these bolts showcase high tensile and yield strength, toughness, and dimensional stability, making them ideal for critical fastening applications that face thermal, chemical, and mechanical stress.
| 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 |
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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 stud bolts are used in industries requiring high corrosion resistance, such as chemical processing, oil and gas, and marine environments. They are ideal for applications in heat exchangers, reactors, and piping systems where exposure to acids and chlorides is common. Their high strength and resistance to oxidation make them suitable for high-temperature environments, including power generation and pollution control equipment. These stud bolts ensure reliable performance and durability in demanding and aggressive conditions.
Incoloy 825 Stud Bolts are extensively utilized in industries that demand corrosion-resistant, high-strength, and durable fastening solutions. You’ll find them in chemical and petrochemical plants, offshore and marine structures, power generation equipment, desalination plants, and industrial machinery that operates under extreme conditions. They are particularly well-suited for high-stress bolted assemblies in aggressive environments where long-term reliability and safety are paramount. With their exceptional combination of corrosion resistance and mechanical strength, Incoloy 825 Stud Bolts deliver trustworthy, long-lasting fastening solutions for essential industrial and marine applications.
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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