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SAE-AISI H12 Steel vs. EN 1.8865 Steel

Both SAE-AISI H12 steel and EN 1.8865 steel are iron alloys. They have a moderately high 92% 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 H12 steel and the bottom bar is EN 1.8865 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 690 to 1850
660

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 36
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
3.2
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.8
Embodied Energy, MJ/kg 41
24
Embodied Water, L/kg 76
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 65
23
Strength to Weight: Bending, points 22 to 42
21
Thermal Diffusivity, mm2/s 9.8
10
Thermal Shock Resistance, points 22 to 60
19

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.3 to 0.4
0 to 0.18
Chromium (Cr), % 4.8 to 5.5
0 to 1.0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 87.8 to 91.7
93.6 to 100
Manganese (Mn), % 0.2 to 0.5
0 to 1.7
Molybdenum (Mo), % 1.3 to 1.8
0 to 0.7
Nickel (Ni), % 0 to 0.3
0 to 1.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.8 to 1.2
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0 to 0.080
Zirconium (Zr), % 0
0 to 0.15