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ACI-ASTM CE30 Steel vs. C68700 Brass

ACI-ASTM CE30 steel belongs to the iron alloys classification, while C68700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE30 steel and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
41
Tensile Strength: Ultimate (UTS), MPa 630
390
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1410
970
Melting Onset (Solidus), °C 1360
930
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 14
100
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
25

Otherwise Unclassified Properties

Base Metal Price, % relative 19
26
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 180
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 240
90
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 23
13
Strength to Weight: Bending, points 21
14
Thermal Diffusivity, mm2/s 3.6
30
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 26 to 30
0
Copper (Cu), % 0
76 to 79
Iron (Fe), % 55.1 to 66
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5