Duplex and Super Duplex UNS S32750 Socket Head Cap Screws

Zeron Fasteners is a leading manufacturer and supplier of specialized Duplex and Super Duplex UNS S32750 Socket Head Cap Screws. This type of fastener features a cylindrical head with a hexagonal recess (socket) for tightening, making them ideal for areas where external wrenching space is limited. The Super Duplex S32750 alloy is chosen for its exceptional high strength and superior resistance to localized corrosion, especially in chloride-rich and acidic conditions. These robust Socket Head Cap Screws are widely utilized in heavy machinery, pressure vessels, and chemical processing equipment, providing a reliable, tight, and durable structural connection.

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UNS S32750 Socket Head Cap Screws

Super Duplex UNS S32750 Socket Head Cap Screws Chemical Composition

Element Composition (%)
Carbon (C) 0.03 max
Manganese (Mn) 1.20 max
Silicon (Si) 0.80 max
Phosphorus (P) 0.035 max
Sulfur (S) 0.020 max
Chromium (Cr) 24.0 – 26.0
Nickel (Ni) 6.0 – 8.0
Molybdenum (Mo) 3.0 – 5.0
Nitrogen (N) 0.24 – 0.32
Copper (Cu) 0.50 max
Tungsten (W) 0.50 max

Super Duplex UNS S32750 Socket Head Cap Screws Mechanical Properties

Property Metric Value
Tensile Strength (min) 800 MPa
Yield Strength 0.2% Offset (min) 550 MPa
Elongation (min) 15 %
Hardness (Max) 30 HRC / 290 HBW
Operating Temperature (Max) 300°C / 572°F (Approx.)

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