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C69430 Brass vs. SAE-AISI M50 Steel

C69430 brass belongs to the copper alloys classification, while SAE-AISI M50 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C69430 brass and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
75
Tensile Strength: Ultimate (UTS), MPa 570
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 920
1480
Melting Onset (Solidus), °C 820
1440
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 26
35
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.0
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 44
74
Embodied Water, L/kg 300
83

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
26 to 80
Strength to Weight: Bending, points 18
23 to 49
Thermal Diffusivity, mm2/s 7.7
9.7
Thermal Shock Resistance, points 20
21 to 66

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0.78 to 0.88
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 80 to 83
0 to 0.25
Iron (Fe), % 0 to 0.2
87 to 90.4
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.15 to 0.45
Molybdenum (Mo), % 0
3.9 to 4.8
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0.2 to 0.6
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.8 to 1.3
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0 to 0.5
0