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Grade TDSiCr Steel vs. SAE-AISI H24 Steel

Both grade TDSiCr steel and SAE-AISI H24 steel are iron alloys. They have 82% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 1950
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1440
1750
Melting Onset (Solidus), °C 1400
1700
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 46
27
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
37
Density, g/cm3 7.7
9.1
Embodied Carbon, kg CO2/kg material 1.5
6.1
Embodied Energy, MJ/kg 20
93
Embodied Water, L/kg 48
78

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 70
22 to 61
Strength to Weight: Bending, points 45
20 to 39
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 58
22 to 61

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.42 to 0.53
Chromium (Cr), % 0.5 to 0.8
2.5 to 3.5
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 96.6 to 97.8
78 to 82.4
Manganese (Mn), % 0.5 to 0.9
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.2 to 1.6
0.15 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6