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SAE-AISI M42 Steel vs. EN 1.3520 Steel

Both SAE-AISI M42 steel and EN 1.3520 steel are iron alloys. They have 82% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M42 steel and the bottom bar is EN 1.3520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 810 to 2310
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1540
1440
Melting Onset (Solidus), °C 1490
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 20
43
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.6
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.4
1.5
Embodied Energy, MJ/kg 100
20
Embodied Water, L/kg 140
54

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 79
22 to 26
Strength to Weight: Bending, points 24 to 48
21 to 23
Thermal Diffusivity, mm2/s 5.4
12
Thermal Shock Resistance, points 25 to 71
18 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 1.1 to 1.2
0.93 to 1.1
Chromium (Cr), % 3.5 to 4.3
1.4 to 1.7
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 76.3 to 81
95.9 to 97.2
Manganese (Mn), % 0.15 to 0.4
1.0 to 1.2
Molybdenum (Mo), % 9.0 to 10
0 to 0.1
Nickel (Ni), % 0 to 0.3
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.65
0.45 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.2 to 1.9
0
Vanadium (V), % 1.0 to 1.4
0