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SAE-AISI M52 Steel vs. EN 1.4931 Steel

Both SAE-AISI M52 steel and EN 1.4931 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M52 steel and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2280
810

Thermal Properties

Latent Heat of Fusion, J/g 260
270
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
24
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.9
Embodied Energy, MJ/kg 110
42
Embodied Water, L/kg 89
100

Common Calculations

PREN (Pitting Resistance) 20
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 80
29
Strength to Weight: Bending, points 22 to 49
25
Thermal Diffusivity, mm2/s 8.4
6.5
Thermal Shock Resistance, points 21 to 67
22

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.2 to 0.26
Chromium (Cr), % 3.5 to 4.3
11.3 to 12.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 84.4 to 88.9
83.2 to 86.8
Manganese (Mn), % 0.15 to 0.45
0.5 to 0.8
Molybdenum (Mo), % 4.0 to 4.9
1.0 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0.75 to 1.5
0 to 0.5
Vanadium (V), % 1.7 to 2.3
0.25 to 0.35