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S35500 Stainless Steel vs. SAE-AISI A8 Steel

Both S35500 stainless steel and SAE-AISI A8 steel are iron alloys. They have 83% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S35500 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 78
74
Tensile Strength: Ultimate (UTS), MPa 1330 to 1490
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
37
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
8.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.5
2.3
Embodied Energy, MJ/kg 47
31
Embodied Water, L/kg 130
73

Common Calculations

PREN (Pitting Resistance) 27
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 47 to 53
25 to 68
Strength to Weight: Bending, points 34 to 37
22 to 44
Thermal Diffusivity, mm2/s 4.4
9.9
Thermal Shock Resistance, points 44 to 49
22 to 62

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.5 to 0.6
Chromium (Cr), % 15 to 16
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 73.2 to 77.7
88.5 to 91.9
Manganese (Mn), % 0.5 to 1.3
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.2
1.2 to 1.7
Nickel (Ni), % 4.0 to 5.0
0 to 0.3
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0.070 to 0.13
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0.75 to 1.1
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.0 to 1.5