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SAE-AISI D2 Steel vs. SAE-AISI 1340 Steel

Both SAE-AISI D2 steel and SAE-AISI 1340 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 (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 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.0 to 16
11 to 23
Fatigue Strength, MPa 310 to 860
220 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Shear Strength, MPa 460 to 1160
340 to 440
Tensile Strength: Ultimate (UTS), MPa 760 to 2000
540 to 730
Tensile Strength: Yield (Proof), MPa 470 to 1510
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.9
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
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 100
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 5940
240 to 1040
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 72
19 to 26
Strength to Weight: Bending, points 24 to 46
19 to 23
Thermal Diffusivity, mm2/s 8.3
14
Thermal Shock Resistance, points 25 to 67
17 to 23

Alloy Composition

Carbon (C), % 1.4 to 1.6
0.38 to 0.43
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.3 to 86.9
97.2 to 97.9
Manganese (Mn), % 0 to 0.6
1.6 to 1.9
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
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