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SAE-AISI H14 Steel vs. SAE-AISI 1020 Steel

Both SAE-AISI H14 steel and SAE-AISI 1020 steel are iron alloys. They have 89% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is SAE-AISI 1020 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
73
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
430 to 460

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1530
1460
Melting Onset (Solidus), °C 1490
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 35
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 73
45

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 69
15 to 16
Strength to Weight: Bending, points 22 to 44
16 to 17
Thermal Diffusivity, mm2/s 9.3
14
Thermal Shock Resistance, points 24 to 68
13 to 14

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.18 to 0.23
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
99.08 to 99.52
Manganese (Mn), % 0.2 to 0.5
0.3 to 0.6
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Tungsten (W), % 4.0 to 5.3
0