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SAE-AISI D4 Steel vs. SAE-AISI D5 Steel

Both SAE-AISI D4 steel and SAE-AISI D5 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 26 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 D4 steel and the bottom bar is SAE-AISI D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
5.4 to 14
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
75
Shear Strength, MPa 460 to 1210
470 to 1180
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
27
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
4.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
4.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 49
51
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 15
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 75
28 to 73
Strength to Weight: Bending, points 24 to 47
24 to 46
Thermal Diffusivity, mm2/s 8.3
7.4
Thermal Shock Resistance, points 23 to 63
26 to 67

Alloy Composition

Carbon (C), % 2.1 to 2.4
1.4 to 1.6
Chromium (Cr), % 11 to 13
11 to 13
Cobalt (Co), % 0
2.5 to 3.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 80.6 to 86.3
77.9 to 84.4
Manganese (Mn), % 0 to 0.6
0 to 0.6
Molybdenum (Mo), % 0.7 to 1.2
0.7 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 1.0
0 to 1.0

Comparable Variants