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ASTM Grade HE Steel vs. Grade VDSiCrV Steel

Both ASTM grade HE steel and grade VDSiCrV steel are iron alloys. They have 63% 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 ASTM grade HE steel and the bottom bar is grade VDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
630
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 670
2100

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.3
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.5
1.9
Embodied Energy, MJ/kg 50
26
Embodied Water, L/kg 190
50

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
75
Strength to Weight: Bending, points 22
47
Thermal Diffusivity, mm2/s 3.6
13
Thermal Shock Resistance, points 14
63

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.5 to 0.7
Chromium (Cr), % 26 to 30
0.5 to 1.0
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 53.9 to 65.8
96.1 to 97.8
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
1.2 to 1.7
Sulfur (S), % 0 to 0.040
0 to 0.020
Vanadium (V), % 0
0.1 to 0.25