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C68800 Brass vs. SAE-AISI M2 Steel

C68800 brass belongs to the copper alloys classification, while SAE-AISI M2 steel belongs to the iron alloys. 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 C68800 brass and the bottom bar is SAE-AISI M2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 570 to 890
760 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Melting Completion (Liquidus), °C 960
1610
Melting Onset (Solidus), °C 950
1570
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 40
22
Thermal Expansion, µm/m-K 19
10

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.8
Embodied Energy, MJ/kg 48
130
Embodied Water, L/kg 350
98

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 19 to 30
25 to 71
Strength to Weight: Bending, points 19 to 25
22 to 44
Thermal Diffusivity, mm2/s 12
5.9
Thermal Shock Resistance, points 19 to 30
27 to 76

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Carbon (C), % 0
0.78 to 1.1
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0 to 0.25
Iron (Fe), % 0 to 0.2
78.5 to 83.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0