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ASTM Grade HF Steel vs. Grade TDCrV Steel

Both ASTM grade HF steel and grade TDCrV steel are iron alloys. They have 69% 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 HF steel and the bottom bar is grade TDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
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 550
1730

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
410
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.9
Embodied Energy, MJ/kg 46
26
Embodied Water, L/kg 150
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
61
Strength to Weight: Bending, points 19
41
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12
51

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.62 to 0.72
Chromium (Cr), % 18 to 23
0.4 to 0.6
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 60 to 73.8
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), % 8.0 to 12
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