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SAE-AISI H12 Steel vs. EN 1.7386 Steel

Both SAE-AISI H12 steel and EN 1.7386 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
550 to 670

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 36
26
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.0
Embodied Energy, MJ/kg 41
28
Embodied Water, L/kg 76
88

Common Calculations

PREN (Pitting Resistance) 12
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 65
20 to 24
Strength to Weight: Bending, points 22 to 42
19 to 22
Thermal Diffusivity, mm2/s 9.8
6.9
Thermal Shock Resistance, points 22 to 60
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.3 to 0.4
0.080 to 0.15
Chromium (Cr), % 4.8 to 5.5
8.0 to 10
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 87.8 to 91.7
86.8 to 90.5
Manganese (Mn), % 0.2 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 1.3 to 1.8
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.8 to 1.2
0.25 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0

Comparable Variants