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CC762S Brass vs. ACI-ASTM CG8M Steel

CC762S brass belongs to the copper alloys classification, while ACI-ASTM CG8M steel belongs to the iron alloys. There are 29 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 CC762S brass and the bottom bar is ACI-ASTM CG8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 7.3
45
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 840
550
Tensile Strength: Yield (Proof), MPa 540
300

Thermal Properties

Latent Heat of Fusion, J/g 200
300
Maximum Temperature: Mechanical, °C 160
1020
Melting Completion (Liquidus), °C 920
1450
Melting Onset (Solidus), °C 870
1400
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 32
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
20
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.1
Embodied Energy, MJ/kg 51
56
Embodied Water, L/kg 350
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
220
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 15
4.3
Thermal Shock Resistance, points 27
12

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0
Antimony (Sb), % 0 to 0.030
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 57 to 67
0
Iron (Fe), % 1.5 to 4.0
58.8 to 70
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 3.0
9.0 to 13
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 13.4 to 36
0