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SAE-AISI H12 Steel vs. EN 1.8898 Steel

Both SAE-AISI H12 steel and EN 1.8898 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 (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 1.8898 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
600

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
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.6
Embodied Energy, MJ/kg 41
22
Embodied Water, L/kg 76
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 65
21
Strength to Weight: Bending, points 22 to 42
20
Thermal Diffusivity, mm2/s 9.8
13
Thermal Shock Resistance, points 22 to 60
18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.3 to 0.4
0 to 0.16
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87.8 to 91.7
96.7 to 99.98
Manganese (Mn), % 0.2 to 0.5
0 to 1.7
Molybdenum (Mo), % 1.3 to 1.8
0 to 0.2
Nickel (Ni), % 0 to 0.3
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.8 to 1.2
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0 to 0.12