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SAE-AISI M3 Class 2 Steel vs. SAE-AISI 50B60 Steel

Both SAE-AISI M3 class 2 steel and SAE-AISI 50B60 steel are iron alloys. They have 81% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 SAE-AISI 50B60 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
610 to 630

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1620
1450
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 26
45
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.0
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 12
1.4
Embodied Energy, MJ/kg 180
19
Embodied Water, L/kg 110
48

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 to 23
Strength to Weight: Bending, points 22 to 45
20 to 21
Thermal Diffusivity, mm2/s 7.2
12
Thermal Shock Resistance, points 24 to 69
20

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 1.2 to 1.3
0.56 to 0.64
Chromium (Cr), % 3.8 to 4.5
0.4 to 0.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.8 to 82.3
97.3 to 98.1
Manganese (Mn), % 0.15 to 0.4
0.75 to 1.0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0

Comparable Variants