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C33200 Brass vs. ACI-ASTM CB30 Steel

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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