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SAE-AISI D5 Steel vs. SAE-AISI 1055 Steel

Both SAE-AISI D5 steel and SAE-AISI 1055 steel are iron alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D5 steel and the bottom bar is SAE-AISI 1055 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.4 to 14
11 to 14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Shear Strength, MPa 470 to 1180
440 to 450
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
730 to 750

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.4
Embodied Energy, MJ/kg 51
18
Embodied Water, L/kg 120
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 73
26
Strength to Weight: Bending, points 24 to 46
23
Thermal Diffusivity, mm2/s 7.4
14
Thermal Shock Resistance, points 26 to 67
23 to 24

Alloy Composition

Carbon (C), % 1.4 to 1.6
0.5 to 0.6
Chromium (Cr), % 11 to 13
0
Cobalt (Co), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 77.9 to 84.4
98.4 to 98.9
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 1.0
0