Nickel Alloys Monel K500 Socket Head Cap Screws

Nickel Alloys Monel K500 Socket Head Cap Screws are precision-machined threaded fasteners featuring a cylindrical head and an internal hexagon drive. Zeron Fasteners specializes in manufacturing and supplying these high-strength screws from the rugged, precipitation-hardenable nickel-copper alloy Monel K500 (UNS N05500). The unique design allows for flush assembly in counterbored holes and maximum tightening torque due to the internal hex drive, making them essential for compact, powerful assemblies. The defining characteristic of this product is its superior resistance to various corrosive environments, coupled with its superior strength. Monel K500 is compliant with NACE MR0175 standards, offering outstanding resistance to Sulfide Stress Corrosion Cracking (SSCC) in sour gas environments. The primary application of these Monel K500 Socket Head Cap Screws is in deep-well downhole tooling, high-pressure equipment, pump assemblies, and industrial machinery where space is limited and maximum mechanical strength coupled with corrosion immunity is required.

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Monel K500 Socket Head Cap Screws

Nickel Alloys Monel K500 Socket Head Cap Screws Chemical Composition

Element Content (%)
Nickel (Ni) 63.0 min
Copper (Cu) 27.0–33.0
Aluminum (Al) 2.30–3.15
Iron (Fe) 2.0 max
Manganese (Mn) 1.5 max
Titanium (Ti) 0.35–0.85
Carbon (C) 0.25 max

Nickel Alloys Monel K500 Socket Head Cap Screws Mechanical Properties

Property Value (Age-Hardened)
Tensile Strength (min) 1100 MPa (160 ksi)
Yield Strength (0.2% Offset min) 760 MPa (110 ksi)
Elongation in 4D (min) 20%
Hardness (Brinell typ.) 265-320 HB

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