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ACI-ASTM CT15C Steel vs. C68100 Brass

ACI-ASTM CT15C steel belongs to the iron alloys classification, while C68100 brass belongs to the copper 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 ACI-ASTM CT15C steel and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 23
29
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 500
380
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1080
120
Melting Completion (Liquidus), °C 1410
890
Melting Onset (Solidus), °C 1360
870
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 12
98
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
24
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
27

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.1
2.8
Embodied Energy, MJ/kg 88
47
Embodied Water, L/kg 190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
86
Resilience: Unit (Modulus of Resilience), kJ/m3 93
94
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17
13
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 3.2
32
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 0
56 to 60
Iron (Fe), % 40.3 to 49.2
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 1.5
0.010 to 0.5
Nickel (Ni), % 31 to 34
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 1.5
0.040 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
36.4 to 43
Residuals, % 0
0 to 0.5