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SAE-AISI 1527 Steel vs. SAE-AISI H12 Steel

Both SAE-AISI 1527 steel and SAE-AISI H12 steel are iron alloys. They have a moderately high 90% 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 1527 steel and the bottom bar is SAE-AISI H12 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 73
75
Tensile Strength: Ultimate (UTS), MPa 590 to 640
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
36
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 47
76

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 23
24 to 65
Strength to Weight: Bending, points 20 to 21
22 to 42
Thermal Diffusivity, mm2/s 14
9.8
Thermal Shock Resistance, points 19 to 20
22 to 60

Alloy Composition

Carbon (C), % 0.22 to 0.29
0.3 to 0.4
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.1 to 98.6
87.8 to 91.7
Manganese (Mn), % 1.2 to 1.5
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0 to 0.050
0 to 0.030
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5