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S32304 Stainless Steel vs. SAE-AISI D2 Steel

Both S32304 stainless steel and SAE-AISI D2 steel are iron alloys. They have 83% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S32304 stainless steel and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
5.0 to 16
Fatigue Strength, MPa 330
310 to 860
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 440
460 to 1160
Tensile Strength: Ultimate (UTS), MPa 670
760 to 2000
Tensile Strength: Yield (Proof), MPa 460
470 to 1510

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
31
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 40
50
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 26
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 520
570 to 5940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
27 to 72
Strength to Weight: Bending, points 22
24 to 46
Thermal Diffusivity, mm2/s 4.0
8.3
Thermal Shock Resistance, points 18
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.030
1.4 to 1.6
Chromium (Cr), % 21.5 to 24.5
11 to 13
Copper (Cu), % 0.050 to 0.6
0 to 0.25
Iron (Fe), % 65 to 75.4
81.3 to 86.9
Manganese (Mn), % 0 to 2.5
0 to 0.6
Molybdenum (Mo), % 0.050 to 0.6
0.7 to 1.2
Nickel (Ni), % 3.0 to 5.5
0 to 0.3
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 1.1