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SAE-AISI H23 Steel vs. SAE-AISI D2 Steel

Both SAE-AISI H23 steel and SAE-AISI D2 steel are iron alloys. They have 88% of their average alloy composition in common. There are 22 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 H23 steel and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
760 to 2000

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1680
1440
Melting Onset (Solidus), °C 1630
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 20
31
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
8.0
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 6.9
3.4
Embodied Energy, MJ/kg 110
50
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 32
15
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24 to 49
27 to 72
Strength to Weight: Bending, points 21 to 34
24 to 46
Thermal Diffusivity, mm2/s 5.2
8.3
Thermal Shock Resistance, points 23 to 47
25 to 67

Alloy Composition

Carbon (C), % 0.25 to 0.35
1.4 to 1.6
Chromium (Cr), % 11 to 12.8
11 to 13
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 71.3 to 76.7
81.3 to 86.9
Manganese (Mn), % 0.15 to 0.4
0 to 0.6
Molybdenum (Mo), % 0
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), % 0.15 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0 to 1.1

Comparable Variants