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SAE-AISI D2 Steel vs. SAE-AISI 4150 Steel

Both SAE-AISI D2 steel and SAE-AISI 4150 steel are iron alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D2 steel and the bottom bar is SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.0 to 16
12 to 20
Fatigue Strength, MPa 310 to 860
260 to 780
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 460 to 1160
410 to 800
Tensile Strength: Ultimate (UTS), MPa 760 to 2000
660 to 1310
Tensile Strength: Yield (Proof), MPa 470 to 1510
380 to 1220

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
42
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 50
20
Embodied Water, L/kg 100
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 100
82 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 5940
380 to 3930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 72
24 to 47
Strength to Weight: Bending, points 24 to 46
22 to 34
Thermal Diffusivity, mm2/s 8.3
11
Thermal Shock Resistance, points 25 to 67
19 to 39

Alloy Composition

Carbon (C), % 1.4 to 1.6
0.48 to 0.53
Chromium (Cr), % 11 to 13
0.8 to 1.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.3 to 86.9
96.7 to 97.7
Manganese (Mn), % 0 to 0.6
0.75 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
0.15 to 0.25
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 1.1
0

Comparable Variants