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AISI 304 Stainless Steel vs. N08221 Nickel

AISI 304 stainless steel belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have 57% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 304 stainless steel and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 8.0 to 43
34
Fatigue Strength, MPa 210 to 440
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 400 to 690
410
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
610
Tensile Strength: Yield (Proof), MPa 230 to 860
270

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 710
980
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
44
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.0
7.9
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 150
240

Common Calculations

PREN (Pitting Resistance) 20
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
170
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 42
21
Strength to Weight: Bending, points 20 to 32
19
Thermal Shock Resistance, points 12 to 25
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0 to 0.080
0 to 0.025
Chromium (Cr), % 18 to 20
20 to 22
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 66.5 to 74
22 to 33.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.5
Nickel (Ni), % 8.0 to 10.5
39 to 46
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0