Incoloy 825 is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. It is also known by its UNS (Unified Numbering System) designation, N08825. This alloy is often used in various industrial applications, particularly in environments that require resistance to corrosion and high-temperature strength.

Incoloy 825 Flange Hex Bolt, Incoloy Alloy 825 Hex Head Bolts, Incoloy 825 Hex Bolts, Incoloy 825 Hexagon Bolt, Alloy 825 Hex Bolts, Manufacturer Of Incoloy 825 Heavy Hex Bolts, Incoloy 825 Hex Bolts Manufacturers in India.

Incoloy 825 Hex Bolts
  • UNS


  • WNR



    ASTM F2281 / ASME SF2281


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Incoloy 825 hex bolts are fasteners made from Incoloy 825 material. These bolts have a hexagonal head and are used to secure two or more components together. The choice of Incoloy 825 for hex bolts is primarily due to its excellent corrosion resistance and high-temperature performance. The addition of molybdenum and copper enhances its resistance to a wide range of corrosive media, including sulfuric acid, phosphoric acid, and various other acidic and alkaline solutions.

Incoloy 825 Hex Bolt, ASTM F2281 UNS N08825 Hex Bolts, Incoloy Alloy 825 Hex Bolts, UNS N08825 Hex Bolts, Alloy 825 Hex Head Bolt, Alloy 825 Hex Bolt Manufacturers in India.

fevicon-logo Incoloy 825 Hex Bolts Specification

SpecificationsASTM F2281 / ASME SF2281
StandardISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards
SizeM3 – M56 | 3/6″ to 2″ | Custom Sizes
Length 3 to 200 mm
DIN StandardB.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913
ISO ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards
Threads UNF, BSW, BSF, METRIC, UNC, or as required
Surface CoatingBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

Some key properties and applications of Incoloy 825 hex bolts include:

  • Corrosion Resistance: Incoloy 825 hex bolts are highly resistant to both reducing and oxidizing acids, stress corrosion cracking, and pitting corrosion. This makes them suitable for applications in chemical processing, petrochemical, and marine industries.
  • High-Temperature Strength: Incoloy 825 retains its mechanical properties at elevated temperatures, which makes it appropriate for applications involving high heat, such as heat exchangers and furnace components.
  • Good Weldability: Incoloy 825 can be easily welded and fabricated, making it versatile for various engineering applications.
  • Chemical Processing: These hex bolts are commonly used in chemical plants for applications like acid storage tanks, acid production equipment, and more.
  • Oil and Gas Industry: Incoloy 825 hex bolts find use in offshore and onshore oil and gas operations due to their resistance to sour gas, high pressure, and high-temperature environments.
  • Marine Applications: The alloy's resistance to seawater and chloride stress corrosion cracking makes it suitable for marine applications, including propeller shafts and seawater-cooled heat exchangers.

Incoloy 825 hex bolts are available in various sizes and can be used in a wide range of environments where corrosion resistance and high-temperature strength are essential. It's crucial to ensure that you select the right fastener material and size for your specific application to achieve the desired performance and safety.

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fevicon-logo Equivalent Grades Of Incoloy 825 Hex Bolts

Alloy 825 N08825 2.4858 NFE30C20DUM NiCr 21 Mo NCF 825 NA 16 ЭП703 XH38BT

fevicon-logo Chemical Composition of Incoloy Alloy 825 Hex Bolts

Grade C Mn Si S Cu Fe Ni Cr Al Ti
Incoloy 825 0.05 max 1.00 max 0.5 max 0.03 max 1.50 – 3.00 22.00 min 38.00 – 46.00 19.50 – 23.50 0.02 max 0.06 – 1.20

fevicon-logo Mechanical Properties of Alloy 825 Hex Bolts

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Incoloy 825 8.14 g/cm3 1400 °C (2550 °F) Psi – 80,000 , MPa – 550 Psi – 32,000 , MPa – 220 30 %

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fevicon-logo Types of Incoloy 825 Hex Bolts

Hex Bolt

Incoloy 825 Hex Bolt

Heavy Hex Bolt

Alloy 825 Heavy Hex Bolt

Hex Tap Bolt

Incoloy 825 Hex Tap Bolt

Hex Flange Bolt

Incoloy Alloy 825 Hex Flange Bolt

Half Threaded Hex Bolt

Incoloy 825 Half Threaded Hex Bolt

Fully Threaded Hex Bolt

Incoloy 825 Fully Threaded Hex Bolt

Hex Machine Bolt

Incoloy 825 Hex Machine Bolt

Hex Shoulder Bolt

Alloy 825 Hex Shoulder Bolt

Hex Bolt Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools

fevicon-logo Other Types Of Incoloy 825 Hex Bolts

Incoloy 825 Half Threaded Hex Bolt Manufacturer in Mumbai Alloy 825 Half Threaded Hex Head Bolt
Incoloy® Alloy 825 Half Thread Hexagon Bolts Alloy 825 Half Threaded Hex Bolt
2.4858 Hex Bolts 825 Incoloy Hexagon Bolt
ASME SF2218 Incoloy 825 Heavy Hex Bolt Incoloy 825 Heavy Hex Bolt Manufacturer in Mumbai
Incoloy 825 Hex Machine Bolt Manufacturers in Mumbai Incoloy Alloy Hex Flange Bolt
825 Incoloy Hex Flange Bolt Supplier in India Incoloy® Alloy 825 Hexagon Flange Bolt Price List
Incoloy Alloy 825 Fully Threaded Hex Bolt Stockist Price List Incoloy 825 Fully Threaded Hex Bolt
Incoloy Alloy 825 Full Thread Hex Bolts Incoloy 825 Fully Threaded Hex Bolt

fevicon-logo Incoloy 825 Hex Bolts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
Nut Bolt