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SAE-AISI D3 Steel vs. SAE-AISI 9254 Steel

Both SAE-AISI D3 steel and SAE-AISI 9254 steel are iron alloys. They have 86% of their average alloy composition in common. There are 28 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 D3 steel and the bottom bar is SAE-AISI 9254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.8 to 15
20
Fatigue Strength, MPa 310 to 940
280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
72
Shear Strength, MPa 470 to 1220
410
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
660
Tensile Strength: Yield (Proof), MPa 480 to 1550
410

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.2
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 48
20
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
110
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 74
24
Strength to Weight: Bending, points 24 to 47
22
Thermal Diffusivity, mm2/s 8.3
12
Thermal Shock Resistance, points 23 to 63
20

Alloy Composition

Carbon (C), % 2.0 to 2.4
0.51 to 0.59
Chromium (Cr), % 11 to 13.5
0.6 to 0.8
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.3 to 87
96.1 to 97.1
Manganese (Mn), % 0 to 0.6
0.6 to 0.8
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.6
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0