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SAE-AISI M52 Steel vs. SAE-AISI 1078 Steel

Both SAE-AISI M52 steel and SAE-AISI 1078 steel are iron alloys. They have 88% 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 M52 steel and the bottom bar is SAE-AISI 1078 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
72
Tensile Strength: Ultimate (UTS), MPa 710 to 2280
730 to 780

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1470
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 31
49
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
1.4
Embodied Energy, MJ/kg 110
18
Embodied Water, L/kg 89
45

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 80
26 to 28
Strength to Weight: Bending, points 22 to 49
23 to 24
Thermal Diffusivity, mm2/s 8.4
13
Thermal Shock Resistance, points 21 to 67
25 to 26

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.72 to 0.85
Chromium (Cr), % 3.5 to 4.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 84.4 to 88.9
98.5 to 99
Manganese (Mn), % 0.15 to 0.45
0.3 to 0.6
Molybdenum (Mo), % 4.0 to 4.9
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Tungsten (W), % 0.75 to 1.5
0
Vanadium (V), % 1.7 to 2.3
0