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SAE-AISI D4 Steel vs. SAE-AISI 1026 Steel

Both SAE-AISI D4 steel and SAE-AISI 1026 steel are iron alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
17 to 27
Fatigue Strength, MPa 310 to 920
200 to 310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 460 to 1210
320 to 340
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
500 to 550
Tensile Strength: Yield (Proof), MPa 470 to 1540
270 to 470

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 49
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
89 to 110
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 75
18 to 20
Strength to Weight: Bending, points 24 to 47
18 to 19
Thermal Diffusivity, mm2/s 8.3
14
Thermal Shock Resistance, points 23 to 63
16 to 18

Alloy Composition

Carbon (C), % 2.1 to 2.4
0.22 to 0.28
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.6 to 86.3
98.7 to 99.18
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