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N08028 Stainless Steel vs. SAE-AISI 8660 Steel

Both N08028 stainless steel and SAE-AISI 8660 steel are iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is N08028 stainless steel and the bottom bar is SAE-AISI 8660 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
12
Fatigue Strength, MPa 220
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 400
390
Tensile Strength: Ultimate (UTS), MPa 570
660
Tensile Strength: Yield (Proof), MPa 240
550

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.6
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
1.5
Embodied Energy, MJ/kg 89
20
Embodied Water, L/kg 240
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
73
Resilience: Unit (Modulus of Resilience), kJ/m3 140
800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 3.2
10
Thermal Shock Resistance, points 12
19

Alloy Composition

Carbon (C), % 0 to 0.030
0.56 to 0.64
Chromium (Cr), % 26 to 28
0.4 to 0.6
Copper (Cu), % 0.6 to 1.4
0
Iron (Fe), % 29 to 40.4
96.4 to 97.6
Manganese (Mn), % 0 to 2.5
0.75 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0.15 to 0.25
Nickel (Ni), % 30 to 34
0.4 to 0.7
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040