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SAE-AISI H23 Steel vs. ACI-ASTM CA6NM Steel

Both SAE-AISI H23 steel and ACI-ASTM CA6NM steel are iron alloys. They have 87% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
850

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1680
1450
Melting Onset (Solidus), °C 1630
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 20
25
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 6.9
2.5
Embodied Energy, MJ/kg 110
34
Embodied Water, L/kg 120
110

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
30
Strength to Weight: Bending, points 21 to 34
26
Thermal Diffusivity, mm2/s 5.2
6.7
Thermal Shock Resistance, points 23 to 47
31

Alloy Composition

Carbon (C), % 0.25 to 0.35
0 to 0.060
Chromium (Cr), % 11 to 12.8
11.5 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.3 to 76.7
78.4 to 84.6
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0 to 0.3
3.5 to 4.5
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 0.030
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0