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Grade FDSiCrV Steel vs. ACI-ASTM CD3MN Steel

Both grade FDSiCrV steel and ACI-ASTM CD3MN steel are iron alloys. They have 69% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCrV steel and the bottom bar is ACI-ASTM CD3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 2100
710

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 420
1060
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 47
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 26
50
Embodied Water, L/kg 50
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 75
25
Strength to Weight: Bending, points 47
23
Thermal Diffusivity, mm2/s 13
4.3
Thermal Shock Resistance, points 63
20

Alloy Composition

Carbon (C), % 0.5 to 0.7
0 to 0.030
Chromium (Cr), % 0.5 to 1.0
21 to 23.5
Copper (Cu), % 0 to 0.12
0 to 1.0
Iron (Fe), % 96 to 97.8
62.6 to 71.9
Manganese (Mn), % 0.4 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.2 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0.1 to 0.25
0