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ACI-ASTM CN3MN Steel vs. SAE-AISI H22 Steel

Both ACI-ASTM CN3MN steel and SAE-AISI H22 steel are iron alloys. They have 50% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3MN steel and the bottom bar is SAE-AISI H22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 620
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1460
1670
Melting Onset (Solidus), °C 1410
1620
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 13
31
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
28
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 6.2
4.9
Embodied Energy, MJ/kg 84
73
Embodied Water, L/kg 200
72

Common Calculations

PREN (Pitting Resistance) 46
21
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 21
22 to 61
Strength to Weight: Bending, points 20
20 to 39
Thermal Diffusivity, mm2/s 3.4
8.2
Thermal Shock Resistance, points 14
22 to 60

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.4
Chromium (Cr), % 20 to 22
1.8 to 3.8
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 41.4 to 50.3
82.2 to 87.4
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
0 to 0.3
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
10 to 11.8
Vanadium (V), % 0
0.25 to 0.5