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SAE-AISI D2 Steel vs. S34565 Stainless Steel

Both SAE-AISI D2 steel and S34565 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 30 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 D2 steel and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 5.0 to 16
39
Fatigue Strength, MPa 310 to 860
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Shear Strength, MPa 460 to 1160
610
Tensile Strength: Ultimate (UTS), MPa 760 to 2000
900
Tensile Strength: Yield (Proof), MPa 470 to 1510
470

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.1
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
28
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
5.3
Embodied Energy, MJ/kg 50
73
Embodied Water, L/kg 100
210

Common Calculations

PREN (Pitting Resistance) 15
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 100
300
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 5940
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 72
32
Strength to Weight: Bending, points 24 to 46
26
Thermal Diffusivity, mm2/s 8.3
3.2
Thermal Shock Resistance, points 25 to 67
22

Alloy Composition

Carbon (C), % 1.4 to 1.6
0 to 0.030
Chromium (Cr), % 11 to 13
23 to 25
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.3 to 86.9
43.2 to 51.6
Manganese (Mn), % 0 to 0.6
5.0 to 7.0
Molybdenum (Mo), % 0.7 to 1.2
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0 to 1.1
0