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Grade FDSiCr Steel vs. SAE-AISI H23 Steel

Both grade FDSiCr steel and SAE-AISI H23 steel are iron alloys. They have 76% 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 FDSiCr steel and the bottom bar is SAE-AISI H23 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 1930
760 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1440
1680
Melting Onset (Solidus), °C 1400
1630
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 48
20
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
34
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 1.5
6.9
Embodied Energy, MJ/kg 20
110
Embodied Water, L/kg 48
120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 69
24 to 49
Strength to Weight: Bending, points 44
21 to 34
Thermal Diffusivity, mm2/s 13
5.2
Thermal Shock Resistance, points 58
23 to 47

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.25 to 0.35
Chromium (Cr), % 0.5 to 0.8
11 to 12.8
Copper (Cu), % 0 to 0.12
0 to 0.25
Iron (Fe), % 96.5 to 97.8
71.3 to 76.7
Manganese (Mn), % 0.5 to 0.9
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.2 to 1.6
0.15 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
11 to 12.8
Vanadium (V), % 0
0.75 to 1.3