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N08810 Stainless Steel vs. SAE-AISI A8 Steel

Both N08810 stainless steel and SAE-AISI A8 steel are iron alloys. They have 51% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is N08810 stainless steel and the bottom bar is SAE-AISI A8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 520
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
37
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
8.5
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
2.3
Embodied Energy, MJ/kg 76
31
Embodied Water, L/kg 200
73

Common Calculations

PREN (Pitting Resistance) 21
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
25 to 68
Strength to Weight: Bending, points 18
22 to 44
Thermal Diffusivity, mm2/s 3.0
9.9
Thermal Shock Resistance, points 13
22 to 62

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.050 to 0.1
0.5 to 0.6
Chromium (Cr), % 19 to 23
4.8 to 5.5
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 39.5 to 50.7
88.5 to 91.9
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
1.2 to 1.7
Nickel (Ni), % 30 to 35
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.75 to 1.1
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0
Tungsten (W), % 0
1.0 to 1.5