Duplex and Super Duplex UNS S32760 Screws

Duplex and Super Duplex UNS S32760 Screws are precision-engineered, externally threaded fasteners manufactured from Super Duplex Stainless Steel (UNS S32760, F55). Zeron Fasteners specializes in supplying these highly robust screws, which are essential for structural and machine assemblies in aggressive industrial settings. The product is characterized by its high yield strength and outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking (SCC) in chloride-bearing and acidic environments. The high alloy content (Chromium, Molybdenum, and Nitrogen) gives it a Pitting Resistance Equivalent Number (PREN) above 40, guaranteeing superior performance over standard Duplex and Austenitic grades. The primary application of these UNS S32760 Screws is in chemical pump and valve assemblies, filtration equipment, heat exchangers, and structural components used on offshore oil and gas platforms.

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UNS S32760 Screws

Duplex and Super Duplex UNS S32760 Screws Chemical Composition

Element Content (%)
Chromium (Cr) 24.0–26.0
Nickel (Ni) 6.0–8.0
Molybdenum (Mo) 3.0–4.0
Copper (Cu) 0.5–1.0
Tungsten (W) 0.5–1.0
Nitrogen (N) 0.20–0.30
Carbon (C) 0.030 max

Duplex and Super Duplex UNS S32760 Screws Mechanical Properties

Property Value
Tensile Strength (min) 750 MPa (109 ksi)
Yield Strength (0.2% Offset min) 550 MPa (80 ksi)
Elongation in 4D (min) 25%
Hardness (Brinell max) 275 HB

Duplex and Super Duplex UNS S32760 Screws Products Feature

Extreme Corrosion Resistance High Strength SCC Resistance Variety of Styles

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