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Grade FDSiCr Steel vs. SAE-AISI T1 Steel

Both grade FDSiCr steel and SAE-AISI T1 steel are iron alloys. They have 77% 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 T1 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
80
Tensile Strength: Ultimate (UTS), MPa 1930
770 to 2130

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1440
1810
Melting Onset (Solidus), °C 1400
1750
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 48
20
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
45
Density, g/cm3 7.7
9.3
Embodied Carbon, kg CO2/kg material 1.5
8.2
Embodied Energy, MJ/kg 20
130
Embodied Water, L/kg 48
90

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 69
23 to 64
Strength to Weight: Bending, points 44
20 to 40
Thermal Diffusivity, mm2/s 13
5.2
Thermal Shock Resistance, points 58
23 to 64

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.65 to 0.8
Chromium (Cr), % 0.5 to 0.8
3.8 to 4.5
Copper (Cu), % 0 to 0.12
0 to 0.25
Iron (Fe), % 96.5 to 97.8
73.2 to 77.2
Manganese (Mn), % 0.5 to 0.9
0.1 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
0.2 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
17.3 to 18.8
Vanadium (V), % 0
0.9 to 1.3