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ACI-ASTM CA6NM Steel vs. Grade VDSiCr Steel

Both ACI-ASTM CA6NM steel and grade VDSiCr steel are iron alloys. They have 83% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
590
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 40
48
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 850
1950

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 770
410
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 34
20
Embodied Water, L/kg 110
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
70
Strength to Weight: Bending, points 26
45
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 31
58

Alloy Composition

Carbon (C), % 0 to 0.060
0.5 to 0.6
Chromium (Cr), % 11.5 to 14
0.5 to 0.8
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 78.4 to 84.6
96.6 to 97.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 3.5 to 4.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.020