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ACI-ASTM CB30 Steel vs. C84500 Brass

ACI-ASTM CB30 steel belongs to the iron alloys classification, while C84500 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
55
Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
39
Tensile Strength: Ultimate (UTS), MPa 500
240
Tensile Strength: Yield (Proof), MPa 230
97

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 940
150
Melting Completion (Liquidus), °C 1430
980
Melting Onset (Solidus), °C 1380
840
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 21
72
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
16
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
28
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.3
2.9
Embodied Energy, MJ/kg 33
47
Embodied Water, L/kg 130
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
45
Stiffness to Weight: Axial, points 14
6.6
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
7.7
Strength to Weight: Bending, points 18
9.8
Thermal Diffusivity, mm2/s 5.6
23
Thermal Shock Resistance, points 17
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 1.2
77 to 79
Iron (Fe), % 72.9 to 82
0 to 0.4
Lead (Pb), % 0
6.0 to 7.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.5
0 to 0.0050
Sulfur (S), % 0 to 0.040
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 0
10 to 14
Residuals, % 0
0 to 0.7