UNS N08031 (Alloy 31, 1.4562) Stainless Steel

Austenitic & General Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8.1g/cm³

Elastic Modulus210GPa

Tensile Strength730MPa

Yield Strength310MPa

Brinell HardnessUnknown

Maximum Service Temperature1100°C

Weight Calculator

Chemical Composition

0 to 0.015%

26 to 28%

30 to 32%

6.0 to 7.0%

0 to 2.0%

0 to 0.3%

0.15 to 0.25%

0 to 0.020%

0 to 0.010%

1.0 to 1.4%

29 to 36.9%

Mechanical

Elastic (Young's, Tensile) Modulus

210 GPa

Elongation at Break

45 %

Fatigue Strength

290 MPa

Poisson's Ratio

0.28

Shear Modulus

81 GPa

Shear Strength

510 MPa

Tensile Strength: Ultimate (UTS)

730 MPa

Tensile Strength: Yield (Proof)

310 MPa

Physical

Density

8.1 g/cm 3

Thermal

Latent Heat of Fusion

310 J/g

Maximum Temperature: Corrosion

460 °C

Maximum Temperature: Mechanical

1100 °C

Melting Completion (Liquidus)

1440 °C

Melting Onset (Solidus)

1390 °C

Specific Heat Capacity

460 J/kg-K

Thermal Conductivity

12 W/m-K

Thermal Diffusivity

3.1 mm 2 /s

Thermal Expansion

18 µm/m-K

Thermal Shock Resistance

14 points

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

270 MJ/m 3

Resilience: Unit (Modulus of Resilience)

230 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

25 points

Strength to Weight: Bending

22 points

Environmental

Base Metal Price

39 % relative

Embodied Carbon

7.1 kg CO 2 /kg material

Embodied Energy

96 MJ/kg

Embodied Energy

96 MJ/kg 41 x 10 3 BTU/lb

Embodied Water

240 L/kg

Embodied Water

240 L/kg 29 gal/lb

Registered Designations & Aliases

1.4562Alloy 31N08031UNS N08031 (Alloy 31, 1.4562) Stainless Steel

Standards

ASTM B462 ASTM B462: Standard Specification for Forged or Rolled UNS N06030, UNS N06022, UNS N06035, UNS N06200, UNS N06059, UNS N06686, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R20033 Alloy Pipe Flanges, Forged Fittings, and Valves and Parts for Corrosive High-Temperature Service

ASTM B564 ASTM B564: Standard Specification for Nickel Alloy Forgings

ASTM B581 ASTM B581: Standard Specification for Nickel-Chromium-Iron-Molybdenum-Copper Alloy Rod

ASTM B581 ASTM B581: Standard Specification for Nickel-Chromium-Iron-Molybdenum-Copper Alloy Rod ASTM B649: Standard Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire ASTM B462: Standard Specification for Forged or Rolled UNS N06030, UNS N06022, UNS N06035, UNS N06200, UNS N06059, UNS N06686, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R20033 Alloy Pipe Flanges, Forged Fittings, and Valves and Parts for Corrosive High-Temperature Service ASTM B619: Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Pipe ASTM B626: Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Tube ASTM B622: Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube ASTM B564: Standard Specification for Nickel Alloy Forgings Nickel Alloys, Ulrich Heubner (editor), 1998 Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005

ASTM B619 ASTM B619: Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Pipe

ASTM B622 ASTM B622: Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube

ASTM B626 ASTM B626: Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Tube

ASTM B649 ASTM B649: Standard Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire