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SAE-AISI H12 Steel vs. AWS E383

Both SAE-AISI H12 steel and AWS E383 are iron alloys. They have 42% 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 E383.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
580

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1440
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 36
12
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
37
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.9
6.4
Embodied Energy, MJ/kg 41
89
Embodied Water, L/kg 76
240

Common Calculations

PREN (Pitting Resistance) 12
40
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 65
20
Strength to Weight: Bending, points 22 to 42
19
Thermal Diffusivity, mm2/s 9.8
3.1
Thermal Shock Resistance, points 22 to 60
15

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
26.5 to 29
Copper (Cu), % 0 to 0.25
0.6 to 1.5
Iron (Fe), % 87.8 to 91.7
28.8 to 39.2
Manganese (Mn), % 0.2 to 0.5
0.5 to 2.5
Molybdenum (Mo), % 1.3 to 1.8
3.2 to 4.2
Nickel (Ni), % 0 to 0.3
30 to 33
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.8 to 1.2
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0