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ACI-ASTM CB30 Steel vs. C33200 Brass

ACI-ASTM CB30 steel belongs to the iron alloys classification, while C33200 brass belongs to the copper 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 ACI-ASTM CB30 steel and the bottom bar is C33200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 500
320 to 520
Tensile Strength: Yield (Proof), MPa 230
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 940
130
Melting Completion (Liquidus), °C 1430
930
Melting Onset (Solidus), °C 1380
900
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
26
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
28

Otherwise Unclassified Properties

Base Metal Price, % relative 10
24
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.3
2.6
Embodied Energy, MJ/kg 33
44
Embodied Water, L/kg 130
320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
60 to 960
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
11 to 17
Strength to Weight: Bending, points 18
13 to 17
Thermal Diffusivity, mm2/s 5.6
37
Thermal Shock Resistance, points 17
11 to 17

Alloy Composition

Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 1.2
65 to 68
Iron (Fe), % 72.9 to 82
0 to 0.070
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
29 to 33.5
Residuals, % 0
0 to 0.4