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SAE-AISI H22 Steel vs. ACI-ASTM CT15C Steel

Both SAE-AISI H22 steel and ACI-ASTM CT15C steel are iron alloys. They have 48% 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 SAE-AISI H22 steel and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
500

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1670
1410
Melting Onset (Solidus), °C 1620
1360
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 31
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 4.9
6.1
Embodied Energy, MJ/kg 73
88
Embodied Water, L/kg 72
190

Common Calculations

PREN (Pitting Resistance) 21
20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 22 to 61
17
Strength to Weight: Bending, points 20 to 39
17
Thermal Diffusivity, mm2/s 8.2
3.2
Thermal Shock Resistance, points 22 to 60
12

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.050 to 0.15
Chromium (Cr), % 1.8 to 3.8
19 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.2 to 87.4
40.3 to 49.2
Manganese (Mn), % 0.15 to 0.4
0.15 to 1.5
Nickel (Ni), % 0 to 0.3
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0.15 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0