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SAE-AISI D2 Steel vs. SAE-AISI 1025 Steel

Both SAE-AISI D2 steel and SAE-AISI 1025 steel are iron alloys. They have 85% of their average alloy composition in common. There are 29 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 SAE-AISI D2 steel and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.0 to 16
17 to 28
Fatigue Strength, MPa 310 to 860
190 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 460 to 1160
290 to 310
Tensile Strength: Ultimate (UTS), MPa 760 to 2000
450 to 500
Tensile Strength: Yield (Proof), MPa 470 to 1510
250 to 420

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
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.3
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.1
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 50
18
Embodied Water, L/kg 100
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 100
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 5940
170 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 72
16 to 18
Strength to Weight: Bending, points 24 to 46
17 to 18
Thermal Diffusivity, mm2/s 8.3
14
Thermal Shock Resistance, points 25 to 67
14 to 16

Alloy Composition

Carbon (C), % 1.4 to 1.6
0.22 to 0.28
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.3 to 86.9
99.03 to 99.48
Manganese (Mn), % 0 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Vanadium (V), % 0 to 1.1
0