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SAE-AISI M3 Class 2 Steel vs. CC765S Brass

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while CC765S 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 CC765S 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
42
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
540

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Melting Completion (Liquidus), °C 1620
860
Melting Onset (Solidus), °C 1570
820
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 26
91
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 12
3.0
Embodied Energy, MJ/kg 180
51
Embodied Water, L/kg 110
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 26 to 74
19
Strength to Weight: Bending, points 22 to 45
18
Thermal Diffusivity, mm2/s 7.2
28
Thermal Shock Resistance, points 24 to 69
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
51 to 65
Iron (Fe), % 75.8 to 82.3
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.15 to 0.4
0.3 to 3.0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0 to 6.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.0
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0
Zinc (Zn), % 0
19.8 to 47.7