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Grade FDSiCr Steel vs. SAE-AISI D2 Steel

Both grade FDSiCr steel and SAE-AISI D2 steel are iron alloys. They have 86% of their average alloy composition in common. There are 23 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 grade FDSiCr steel and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 1930
760 to 2000

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 48
31
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
8.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 20
50
Embodied Water, L/kg 48
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
27 to 72
Strength to Weight: Bending, points 44
24 to 46
Thermal Diffusivity, mm2/s 13
8.3
Thermal Shock Resistance, points 58
25 to 67

Alloy Composition

Carbon (C), % 0.5 to 0.6
1.4 to 1.6
Chromium (Cr), % 0.5 to 0.8
11 to 13
Copper (Cu), % 0 to 0.12
0 to 0.25
Iron (Fe), % 96.5 to 97.8
81.3 to 86.9
Manganese (Mn), % 0.5 to 0.9
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
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 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0
0 to 1.1