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SAE-AISI D3 Steel vs. S32654 Stainless Steel

Both SAE-AISI D3 steel and S32654 stainless steel are iron alloys. They have 55% of their average alloy composition in common. 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 SAE-AISI D3 steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 9.8 to 15
45
Fatigue Strength, MPa 310 to 940
450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
82
Shear Strength, MPa 470 to 1220
590
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
850
Tensile Strength: Yield (Proof), MPa 480 to 1550
490

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 31
11
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
34
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.2
6.4
Embodied Energy, MJ/kg 48
87
Embodied Water, L/kg 100
220

Common Calculations

PREN (Pitting Resistance) 13
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 74
29
Strength to Weight: Bending, points 24 to 47
25
Thermal Diffusivity, mm2/s 8.3
2.9
Thermal Shock Resistance, points 23 to 63
19

Alloy Composition

Carbon (C), % 2.0 to 2.4
0 to 0.020
Chromium (Cr), % 11 to 13.5
24 to 25
Copper (Cu), % 0 to 0.25
0.3 to 0.6
Iron (Fe), % 80.3 to 87
38.3 to 45.3
Manganese (Mn), % 0 to 0.6
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 0 to 0.3
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0