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C69400 Brass vs. ACI-ASTM CT15C Steel

C69400 brass belongs to the copper alloys classification, while ACI-ASTM CT15C steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
23
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
76
Tensile Strength: Ultimate (UTS), MPa 570
500
Tensile Strength: Yield (Proof), MPa 270
190

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 170
1080
Melting Completion (Liquidus), °C 920
1410
Melting Onset (Solidus), °C 820
1360
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 27
36
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
6.1
Embodied Energy, MJ/kg 44
88
Embodied Water, L/kg 300
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
90
Resilience: Unit (Modulus of Resilience), kJ/m3 340
93
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 7.7
3.2
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
40.3 to 49.2
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.15 to 1.5
Nickel (Ni), % 0
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0.15 to 1.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0