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SAE-AISI D2 Steel vs. SAE-AISI 1070 Steel

Both SAE-AISI D2 steel and SAE-AISI 1070 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 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.0 to 16
10 to 13
Fatigue Strength, MPa 310 to 860
270 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Shear Strength, MPa 460 to 1160
380 to 460
Tensile Strength: Ultimate (UTS), MPa 760 to 2000
640 to 760
Tensile Strength: Yield (Proof), MPa 470 to 1510
420 to 560

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
50
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.3
10
Electrical Conductivity: Equal Weight (Specific), % IACS 5.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 50
19
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 100
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 5940
470 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 72
23 to 27
Strength to Weight: Bending, points 24 to 46
21 to 24
Thermal Diffusivity, mm2/s 8.3
14
Thermal Shock Resistance, points 25 to 67
21 to 25

Alloy Composition

Carbon (C), % 1.4 to 1.6
0.65 to 0.75
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.3 to 86.9
98.3 to 98.8
Manganese (Mn), % 0 to 0.6
0.6 to 0.9
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