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UNS N08320 Stainless Steel

Austenitic & General Stainless Steels

OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density8g/cm³
Elastic Modulus200GPa
Tensile Strength580MPa
Yield Strength220MPa
Brinell Hardness190HB
Maximum Service Temperature1100°C
Weight Calculator

Chemical Composition

C
0 to 0.050%
CR
21 to 23%
NI
25 to 27%
MN
0 to 2.5%
SI
0 to 1.0%
P
0 to 0.040%
S
0 to 0.030%
FE
40.4 to 50%

Mechanical

Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
40 %
Fatigue Strength
190 MPa
Poisson's Ratio
0.28
Shear Modulus
78 GPa
Shear Strength
400 MPa
Tensile Strength: Ultimate (UTS)
580 MPa
Tensile Strength: Yield (Proof)
220 MPa

Hardness

Brinell Hardness
190
Rockwell B Hardness
84

Physical

Density
8.0 g/cm 3

Thermal

Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
430 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1400 °C
Melting Onset (Solidus)
1350 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.3 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
13 points

Electrical

Electrical Conductivity: Equal Volume
1.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.0 % IACS

Calculated

PREN (Pitting Resistance)
22
Resilience: Ultimate (Unit Rupture Work)
180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
120 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
20 points

Environmental

Base Metal Price
28 % relative
Embodied Carbon
4.9 kg CO 2 /kg material
Embodied Energy
69 MJ/kg
Embodied Energy
69 MJ/kg 30 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
N08320UNS N08320 Stainless Steel
Standards

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

ASTM B620 ASTM B620: Standard Specification for Nickel-Iron-Chromium-Molybdenum Alloy (UNS N08320) Plate, Sheet, and Strip

ASTM B620 ASTM B620: Standard Specification for Nickel-Iron-Chromium-Molybdenum Alloy (UNS N08320) Plate, Sheet, and Strip ASTM B621: Standard Specification for Nickel-Iron-Chromium-Molybdenum Alloy (UNS N08320) Rod 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 Nickel Alloys, Ulrich Heubner (editor), 1998 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012

ASTM B621 ASTM B621: Standard Specification for Nickel-Iron-Chromium-Molybdenum Alloy (UNS N08320) Rod

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