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ASTM Grade HN Steel vs. Grade VDCrV Steel

Both ASTM grade HN steel and grade VDCrV steel are iron alloys. They have 53% of their average alloy composition in common. There are 23 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 ASTM grade HN steel and the bottom bar is grade VDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
520
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 500
1730

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1080
410
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
49
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
1.9
Embodied Energy, MJ/kg 66
26
Embodied Water, L/kg 180
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
61
Strength to Weight: Bending, points 18
41
Thermal Diffusivity, mm2/s 3.5
13
Thermal Shock Resistance, points 11
51

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.62 to 0.72
Chromium (Cr), % 19 to 23
0.4 to 0.6
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 44.9 to 57.8
97.8 to 98.8
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0.15 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.020
Vanadium (V), % 0
0.15 to 0.25