Nickel Alloys Incoloy 800 Stud Bolts

Nickel Alloys Incoloy 800 Stud Bolts are non-headed, externally threaded fasteners typically used for bolting together pipe flanges and pressure vessel openings. Manufactured from Incoloy 800 (UNS N08800), this stud bolting material excels in elevated temperature service due to its high nickel and chromium content, providing exceptional resistance to oxidation, carburization, and nitriding. The alloy maintains stable mechanical properties and resists stress-corrosion cracking in aqueous media. Zeron Fastners supplies these critical high-temperature stud bolts for furnace components, heat exchangers, chemical plant equipment, and steam generators in the power industry.

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Incoloy 800 Stud Bolts

Nickel Alloys Incoloy 800 Stud Bolts Chemical Composition

Element Content (%)
Nickel (Ni) 30.0 – 35.0
Chromium (Cr) 19.0 – 23.0
Iron (Fe) Balance
Manganese (Mn) 1.50 max
Silicon (Si) 1.00 max
Copper (Cu) 0.75 max
Titanium (Ti) 0.15 – 0.60
Aluminum (Al) 0.15 – 0.60
Carbon (C) 0.10 max

Nickel Alloys Incoloy 800 Stud Bolts Mechanical Properties

Property (Annealed) Value (min)
Tensile Strength 75 ksi (515 MPa)
Yield Strength (0.2% Offset) 30 ksi (205 MPa)
Elongation 30%
Hardness (Brinell) 170 typical

Nickel Alloys Incoloy 800 Stud Bolts Feature Products