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SAE-AISI M3 Class 2 Steel vs. CC767S Brass

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while CC767S brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
430

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Melting Completion (Liquidus), °C 1620
840
Melting Onset (Solidus), °C 1570
790
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 12
2.7
Embodied Energy, MJ/kg 180
47
Embodied Water, L/kg 110
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 26 to 74
15
Strength to Weight: Bending, points 22 to 45
16
Thermal Diffusivity, mm2/s 7.2
34
Thermal Shock Resistance, points 24 to 69
14

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.8
Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
58 to 64
Iron (Fe), % 75.8 to 82.3
0 to 0.5
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0
Zinc (Zn), % 0
32.8 to 41.9