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ASTM Grade HC Steel vs. Grade FDSiCr Steel

Both ASTM grade HC steel and grade FDSiCr steel are iron alloys. They have 70% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HC steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 430
1930

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
48
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.2
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 40
20
Embodied Water, L/kg 170
48

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 16
69
Strength to Weight: Bending, points 16
44
Thermal Diffusivity, mm2/s 4.5
13
Thermal Shock Resistance, points 14
58

Alloy Composition

Carbon (C), % 0 to 0.5
0.5 to 0.6
Chromium (Cr), % 26 to 30
0.5 to 0.8
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 61.9 to 74
96.5 to 97.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
1.2 to 1.6
Sulfur (S), % 0 to 0.040
0 to 0.025