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SAE-AISI M3 Class 2 Steel vs. EN 1.3518 Steel

Both SAE-AISI M3 class 2 steel and EN 1.3518 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 M3 class 2 steel and the bottom bar is EN 1.3518 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 77
72
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
630

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1620
1440
Melting Onset (Solidus), °C 1570
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 26
43
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.4
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 12
1.5
Embodied Energy, MJ/kg 180
20
Embodied Water, L/kg 110
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 74
23
Strength to Weight: Bending, points 22 to 45
21
Thermal Diffusivity, mm2/s 7.2
12
Thermal Shock Resistance, points 24 to 69
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 1.2 to 1.3
0.93 to 1.1
Chromium (Cr), % 3.8 to 4.5
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 75.8 to 82.3
96.3 to 97.8
Manganese (Mn), % 0.15 to 0.4
0.9 to 1.2
Molybdenum (Mo), % 4.8 to 6.5
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), % 0.2 to 0.45
0.45 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0