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SAE-AISI D4 Steel vs. SAE-AISI H23 Steel

Both SAE-AISI D4 steel and SAE-AISI H23 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 (7, 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 H23 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
760 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
1680
Melting Onset (Solidus), °C 1380
1630
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 31
20
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
34
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 3.3
6.9
Embodied Energy, MJ/kg 49
110
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 15
32
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 27 to 75
24 to 49
Strength to Weight: Bending, points 24 to 47
21 to 34
Thermal Diffusivity, mm2/s 8.3
5.2
Thermal Shock Resistance, points 23 to 63
23 to 47

Alloy Composition

Carbon (C), % 2.1 to 2.4
0.25 to 0.35
Chromium (Cr), % 11 to 13
11 to 12.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 80.6 to 86.3
71.3 to 76.7
Manganese (Mn), % 0 to 0.6
0.15 to 0.4
Molybdenum (Mo), % 0.7 to 1.2
0
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
0.15 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
11 to 12.8
Vanadium (V), % 0 to 1.0
0.75 to 1.3

Comparable Variants