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SAE-AISI T6 Steel vs. Grade VDSiCr Steel

Both SAE-AISI T6 steel and grade VDSiCr steel are iron alloys. They have 62% of their average alloy composition in common. There are 21 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 T6 steel and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
1950

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1830
1440
Melting Onset (Solidus), °C 1770
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 18
46
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.2
Density, g/cm3 9.5
7.7
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 170
20
Embodied Water, L/kg 160
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 26 to 63
70
Strength to Weight: Bending, points 21 to 39
45
Thermal Diffusivity, mm2/s 4.7
12
Thermal Shock Resistance, points 26 to 64
58

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.5 to 0.6
Chromium (Cr), % 4.0 to 4.8
0.5 to 0.8
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0 to 0.060
Iron (Fe), % 55.9 to 63.5
96.6 to 97.8
Manganese (Mn), % 0.2 to 0.4
0.5 to 0.9
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.4
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0