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SAE-AISI M3 Class 2 Steel vs. EN 1.8901 Steel

Both SAE-AISI M3 class 2 steel and EN 1.8901 steel are iron alloys. They have 80% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 1.8901 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
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
630

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 26
44
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.6
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 12
1.8
Embodied Energy, MJ/kg 180
24
Embodied Water, L/kg 110
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 74
22
Strength to Weight: Bending, points 22 to 45
21
Thermal Diffusivity, mm2/s 7.2
12
Thermal Shock Resistance, points 24 to 69
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 1.2 to 1.3
0 to 0.22
Chromium (Cr), % 3.8 to 4.5
0 to 0.35
Copper (Cu), % 0 to 0.25
0 to 0.6
Iron (Fe), % 75.8 to 82.3
95 to 99.05
Manganese (Mn), % 0.15 to 0.4
1.0 to 1.8
Molybdenum (Mo), % 4.8 to 6.5
0 to 0.13
Nickel (Ni), % 0 to 0.3
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
0 to 0.65
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0 to 0.22