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SAE-AISI 1055 Steel vs. Grade FDCrV Steel

Both SAE-AISI 1055 steel and grade FDCrV steel are iron alloys. Their average alloy composition is basically identical. There are 26 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 1055 steel and the bottom bar is grade FDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
540
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 45
42
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 730 to 750
1800

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
48
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
26
Embodied Water, L/kg 46
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
64
Strength to Weight: Bending, points 23
42
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 23 to 24
53

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.62 to 0.72
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 98.4 to 98.9
97.8 to 98.8
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0.15 to 0.3
Sulfur (S), % 0 to 0.050
0 to 0.025
Vanadium (V), % 0
0.15 to 0.25