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SAE-AISI H23 Steel vs. ACI-ASTM CD6MN Steel

Both SAE-AISI H23 steel and ACI-ASTM CD6MN steel are iron alloys. They have 79% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H23 steel and the bottom bar is ACI-ASTM CD6MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
730

Thermal Properties

Latent Heat of Fusion, J/g 260
300
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
16
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
17
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 6.9
3.4
Embodied Energy, MJ/kg 110
48
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 32
36
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24 to 49
26
Strength to Weight: Bending, points 21 to 34
23
Thermal Diffusivity, mm2/s 5.2
4.4
Thermal Shock Resistance, points 23 to 47
20

Alloy Composition

Carbon (C), % 0.25 to 0.35
0 to 0.060
Chromium (Cr), % 11 to 12.8
24 to 27
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.3 to 76.7
62.1 to 70.1
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0 to 0.3
4.0 to 6.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0