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SAE-AISI D5 Steel vs. S20161 Stainless Steel

Both SAE-AISI D5 steel and S20161 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 26 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 SAE-AISI D5 steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.4 to 14
46
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 470 to 1180
690
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
980

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 27
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 51
39
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 15
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 28 to 73
36
Strength to Weight: Bending, points 24 to 46
29
Thermal Diffusivity, mm2/s 7.4
4.0
Thermal Shock Resistance, points 26 to 67
22

Alloy Composition

Carbon (C), % 1.4 to 1.6
0 to 0.15
Chromium (Cr), % 11 to 13
15 to 18
Cobalt (Co), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 77.9 to 84.4
65.6 to 73.9
Manganese (Mn), % 0 to 0.6
4.0 to 6.0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 1.0
0