Duplex and Super Duplex UNS S32750 Elbows

The Duplex and Super Duplex UNS S32750 Elbow is a critical forging product used in high-pressure and highly corrosive piping systems to change the direction of flow. Manufactured from the Super Duplex stainless steel alloy, UNS S32750 (also known as F53 or 2507), these elbows combine the superior strength of ferritic steel with the corrosion resistance of austenitic steel, thanks to their balanced microstructure. This composition, rich in Chromium, Molybdenum, and Nitrogen, gives the product outstanding resistance to general corrosion, pitting, and chloride stress corrosion cracking. Zeron Fasteners manufactures and supplies these premium pipe fittings to meet stringent industry standards (like ASME B16.9 and ASTM A815), making them essential for high-integrity piping systems in petrochemical refineries, offshore platforms, desalination plants, and chemical processing facilities where reliability in aggressive media is paramount.

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UNS S32750 Elbows

Super Duplex UNS S32750 Elbows

Manufacturing Specifications
Standard ASME B16.9, MSS SP-43
Material Grade Super Duplex UNS S32750 (F53, SAF 2507)
Applicable Specs ASTM A815 / A815M (WP-UNS S32750)
Type Seamless or Welded Buttweld Fittings
Nominal Pipe Size (NPS) 1/2 inch to 48 inches (DN15 to DN1200)
Angle 90 Degree Long Radius, 45 Degree Long Radius, 90 Degree Short Radius

Chemical Composition (UNS S32750)

Element Composition (%)
Chromium (Cr) 24.0 to 26.0
Nickel (Ni) 6.0 to 8.0
Molybdenum (Mo) 3.0 to 5.0
Nitrogen (N) 0.24 to 0.32
Carbon (C) Max 0.030
Silicon (Si) Max 0.80
Manganese (Mn) Max 1.20
Phosphorus (P) Max 0.035
Sulfur (S) Max 0.020
Copper (Cu) Max 0.50

Mechanical Properties (UNS S32750)

Property Minimum Value
Ultimate Tensile Strength 800 MPa (116 ksi) Min
Yield Strength (0.2% Proof) 550 MPa (80 ksi) Min
Elongation (A) 15 % Min
Density 7.8 g/cm³
Hardness (HBW Max) 290
Impact Energy (Charpy V-Notch) 80 J Min at -50°C

Features Product

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