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SAE-AISI 1084 Steel vs. Grade VDSiCr Steel

Both SAE-AISI 1084 steel and grade VDSiCr steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 26 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 SAE-AISI 1084 steel and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
590
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 28 to 45
48
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 780 to 930
1950

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 46
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 33
70
Strength to Weight: Bending, points 24 to 27
45
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 25 to 30
58

Alloy Composition

Carbon (C), % 0.8 to 0.93
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 98.1 to 98.6
96.6 to 97.8
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
1.2 to 1.6
Sulfur (S), % 0 to 0.050
0 to 0.020