Duplex and Super Duplex UNS S32205 Pipe Fittings

Duplex and Super Duplex UNS S32205 Pipe Fittings are essential components used to assemble, route, and terminate piping runs. Manufactured from the enhanced Duplex Stainless Steel UNS S32205 (Alloy 2205), these fittings include elbows (for changing direction), tees (for branching flow), and reducers (for changing pipe size). The material's dual-phase microstructure provides high mechanical strength and exceptional resistance to chloride stress corrosion cracking, superior to standard austenitic grades. Zeron Fastners supplies a full range of butt-weld and forged fittings in this grade for use in aggressive fluid handling systems in the chemical, oil and gas, and desalination industries.

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UNS S32205 Pipe Fittings

Duplex and Super Duplex UNS S32205 Pipe Fittings Chemical Composition

Element Content (%)
Carbon (C) 0.030 max
Manganese (Mn) 2.00 max
Silicon (Si) 1.00 max
Phosphorus (P) 0.030 max
Sulfur (S) 0.020 max
Chromium (Cr) 21.0 – 23.0
Nickel (Ni) 4.5 – 6.5
Molybdenum (Mo) 2.5 – 3.5
Nitrogen (N) 0.08 – 0.20

Duplex and Super Duplex UNS S32205 Pipe Fittings Mechanical Properties

Property Value
Tensile Strength (min) 620 MPa (90 ksi)
Yield Strength (0.2% Offset min) 450 MPa (65 ksi)
Elongation in 4D (min) 25%
Hardness (Brinell max) 290 HB

Duplex and Super Duplex UNS S32205 Pipe Fittings Feature Products