UNS S32760 (F55) Stainless Steel

Duplex Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.9g/cm³

Elastic Modulus200GPa

Tensile Strength850MPa

Yield Strength620MPa

Brinell Hardness250HB

Maximum Service Temperature1100°C

Weight Calculator

Chemical Composition

0 to 0.030%

24 to 26%

6.0 to 8.0%

3.0 to 4.0%

0 to 1.0%

0.2 to 0.3%

0 to 0.030%

0 to 0.010%

0.5 to 1.0%

57.6 to 65.8%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

28 %

Fatigue Strength

450 MPa

Poisson's Ratio

0.27

Reduction in Area

51 %

Shear Modulus

80 GPa

Shear Strength

550 MPa

Tensile Strength: Ultimate (UTS)

850 MPa

Tensile Strength: Yield (Proof)

620 MPa

Hardness

Brinell Hardness

250

Rockwell C Hardness

Physical

Density

7.9 g/cm 3

Thermal

Latent Heat of Fusion

300 J/g

Maximum Temperature: Corrosion

450 °C

Maximum Temperature: Mechanical

1100 °C

Melting Completion (Liquidus)

1460 °C

Melting Onset (Solidus)

1410 °C

Specific Heat Capacity

470 J/kg-K

Thermal Conductivity

15 W/m-K

Thermal Diffusivity

4.0 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

23 points

Electrical

Electrical Conductivity: Equal Volume

2.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.5 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

220 MJ/m 3

Resilience: Unit (Modulus of Resilience)

930 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

30 points

Strength to Weight: Bending

25 points

Environmental

Base Metal Price

22 % relative

Embodied Carbon

4.1 kg CO 2 /kg material

Embodied Energy

57 MJ/kg

Embodied Energy

57 MJ/kg 25 x 10 3 BTU/lb

Embodied Water

180 L/kg

Embodied Water

180 L/kg 21 gal/lb

Registered Designations & Aliases

F55S32760UNS S32760 (F55) Stainless Steel

Standards

ASTM A182 ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM A473 ASTM A473: Standard Specification for Stainless Steel Forgings

ASTM A473 ASTM A473: Standard Specification for Stainless Steel Forgings Duplex Stainless Steels, Iris Alvarez-Armas and Suzanne Degallaix-Moreuil (editors), 2009 Duplex Stainless Steels: Microstructure, Properties and Applications, Robert N. Gunn (editor), 1997 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011 Corrosion of Stainless Steels, A. John Sedriks, 1996

ASTM A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels