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SAE-AISI H14 Steel vs. Grade FDSiCr Steel

Both SAE-AISI H14 steel and grade FDSiCr steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
1930

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1440
Melting Onset (Solidus), °C 1490
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 35
48
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.2
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 73
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
69
Strength to Weight: Bending, points 22 to 44
44
Thermal Diffusivity, mm2/s 9.3
13
Thermal Shock Resistance, points 24 to 68
58

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.5 to 0.6
Chromium (Cr), % 4.8 to 5.5
0.5 to 0.8
Copper (Cu), % 0 to 0.25
0 to 0.12
Iron (Fe), % 86.5 to 89.9
96.5 to 97.8
Manganese (Mn), % 0.2 to 0.5
0.5 to 0.9
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.8 to 1.2
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 4.0 to 5.3
0