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Grade VDSiCrV Steel vs. ACI-ASTM CA40 Steel

Both grade VDSiCrV steel and ACI-ASTM CA40 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 grade VDSiCrV steel and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 2100
910

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 420
750
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 47
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
7.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 26
28
Embodied Water, L/kg 50
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 75
33
Strength to Weight: Bending, points 47
27
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 63
33

Alloy Composition

Carbon (C), % 0.5 to 0.7
0.2 to 0.4
Chromium (Cr), % 0.5 to 1.0
11.5 to 14
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 96.1 to 97.8
81.5 to 88.3
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 1.2 to 1.7
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040
Vanadium (V), % 0.1 to 0.25
0