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The Fasteners Mart based in Mumbai, India, is a well-established manufacturer and exporter of industrial fasteners that fulfill international quality requirements. With attention to precision as well as performance, the firm supplies fasteners to petrochemical, power generation, oil & gas, and marine industries. Amongst its best sellers are Incoloy 800/800H/800HT Stud Bolts, which are designed from nickel-iron-chromium alloy grades meant for application in high temperature. These double- or fully-threaded bolts provide outstanding strength and resistance to corrosion, particularly in those involving thermal cycling and oxidation.
Incoloy 800 series consists of Nickel (30–35%), Chromium (19–23%), and Iron (balance) with additions of Aluminum, Titanium, and Carbon. 800H and 800HT grades consist of increased carbon content and optimum annealing for enhanced mechanical strength. These bolts have tensile strength up to 600 MPa and sound creep and rupture resistance at elevated temperatures. In terms of their physical properties, they retain their structural integrity up to temperatures reaching 1100°C, and their density is approximately 7.94 g/cm³. This blend guarantees long-term performance in severe thermal and corrosive 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 |
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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 800/800H/800HT Stud Bolts find applications in those industries requiring outstanding heat and corrosion resistance. Applications are commonly seen in heat exchangers, boilers, superheaters, petrochemical reactors, furnace parts, and power plant piping. The bolts play a key role in applications where thermal stability, mechanical strength, and resistance to oxidation are important. They provide reliable, secure fastening in high-pressure and high-temperature situations and are suited to refineries, offshore platforms, and thermal processing plants.
The Fasteners Mart provides assured global delivery with safe packaging designed to maintain product quality. Incoloy stud bolts are packaged in moisture-proof materials, wood crates, or export-quality cartons. Each package has clear marking, documentation, and traceability information to guarantee safe transportation and international shipping requirements.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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