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ACI-ASTM CA40 Steel vs. Grade FDSiCr Steel

Both ACI-ASTM CA40 steel and grade FDSiCr steel are iron alloys. They have 87% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
580
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 910
1930

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 750
410
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1500
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
48
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.2
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
20
Embodied Water, L/kg 100
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
69
Strength to Weight: Bending, points 27
44
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 33
58

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.5 to 0.6
Chromium (Cr), % 11.5 to 14
0.5 to 0.8
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 81.5 to 88.3
96.5 to 97.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
1.2 to 1.6
Sulfur (S), % 0 to 0.040
0 to 0.025