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C47940 Brass vs. ACI-ASTM CT15C Steel

C47940 brass belongs to the copper alloys classification, while ACI-ASTM CT15C steel belongs to the iron alloys. There are 26 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 C47940 brass and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
23
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 380 to 520
500
Tensile Strength: Yield (Proof), MPa 160 to 390
190

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 130
1080
Melting Completion (Liquidus), °C 850
1410
Melting Onset (Solidus), °C 800
1360
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 2.8
6.1
Embodied Energy, MJ/kg 47
88
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
90
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
93
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13 to 17
17
Strength to Weight: Bending, points 14 to 17
17
Thermal Diffusivity, mm2/s 36
3.2
Thermal Shock Resistance, points 13 to 17
12

Alloy Composition

Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
40.3 to 49.2
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0.15 to 1.5
Nickel (Ni), % 0.1 to 0.5
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0