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UNS N08221 Nickel Alloy

Nickel Alloys

OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density8.3g/cm³
Elastic Modulus200GPa
Tensile Strength610MPa
Yield Strength270MPa
Brinell HardnessUnknown
Maximum Service Temperature980°C
Weight Calculator

Chemical Composition

C
0 to 0.025%
CR
20 to 22%
NI
39 to 46%
MO
5.0 to 6.5%
MN
0 to 1.0%
SI
0 to 0.050%
S
0 to 0.030%
CU
1.5 to 3.0%
TI
0.6 to 1.0%
AL
0 to 0.2%
FE
22 to 33.9%

Mechanical

Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
190 MPa
Poisson's Ratio
0.28
Shear Modulus
79 GPa
Shear Strength
410 MPa
Tensile Strength: Ultimate (UTS)
610 MPa
Tensile Strength: Yield (Proof)
270 MPa

Physical

Density
8.3 g/cm 3

Thermal

Latent Heat of Fusion
310 J/g
Maximum Temperature: Mechanical
980 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
460 J/kg-K
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
16 points

Calculated

PREN (Pitting Resistance)
40
Resilience: Ultimate (Unit Rupture Work)
170 MJ/m 3
Resilience: Unit (Modulus of Resilience)
170 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
19 points

Environmental

Base Metal Price
44 % relative
Embodied Carbon
7.9 kg CO 2 /kg material
Embodied Energy
110 MJ/kg
Embodied Energy
110 MJ/kg 47 x 10 3 BTU/lb
Embodied Water
240 L/kg
Embodied Water
240 L/kg 29 gal/lb
Registered Designations & Aliases
N08221UNS N08221 Nickel Alloy
Standards

ASTM B423 ASTM B423: Standard Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825 and N08221) Seamless Pipe and Tube

ASTM B423 ASTM B423: Standard Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825 and N08221) Seamless Pipe and Tube ASTM B424: Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Plate, Sheet, and Strip ASTM B425: Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Rod and Bar Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009 Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998

ASTM B424 ASTM B424: Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Plate, Sheet, and Strip

ASTM B425 ASTM B425: Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Rod and Bar