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SAE-AISI H12 Steel vs. AWS E2593

Both SAE-AISI H12 steel and AWS E2593 are iron alloys. They have 65% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is AWS E2593.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
850

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1440
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 36
16
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.2
Embodied Energy, MJ/kg 41
59
Embodied Water, L/kg 76
190

Common Calculations

PREN (Pitting Resistance) 12
39
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 65
30
Strength to Weight: Bending, points 22 to 42
25
Thermal Diffusivity, mm2/s 9.8
4.3
Thermal Shock Resistance, points 22 to 60
21

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.040
Chromium (Cr), % 4.8 to 5.5
24 to 27
Copper (Cu), % 0 to 0.25
1.5 to 3.0
Iron (Fe), % 87.8 to 91.7
52.7 to 62.5
Manganese (Mn), % 0.2 to 0.5
0.5 to 1.5
Molybdenum (Mo), % 1.3 to 1.8
2.9 to 3.9
Nickel (Ni), % 0 to 0.3
8.5 to 10.5
Nitrogen (N), % 0
0.080 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0