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C49300 Brass vs. ACI-ASTM CG12 Steel

C49300 brass belongs to the copper alloys classification, while ACI-ASTM CG12 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C49300 brass and the bottom bar is ACI-ASTM CG12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 4.5 to 20
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 430 to 520
550
Tensile Strength: Yield (Proof), MPa 210 to 410
220

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 120
1040
Melting Completion (Liquidus), °C 880
1410
Melting Onset (Solidus), °C 840
1370
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 88
15
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 50
48
Embodied Water, L/kg 370
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 71
180
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 800
120
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 18
20
Strength to Weight: Bending, points 16 to 18
19
Thermal Diffusivity, mm2/s 29
4.0
Thermal Shock Resistance, points 14 to 18
12

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0.5 to 2.0
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 58 to 62
0
Iron (Fe), % 0 to 0.1
60.3 to 70
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.030
0 to 1.5
Nickel (Ni), % 0 to 1.5
10 to 13
Phosphorus (P), % 0 to 0.2
0 to 0.040
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.0 to 1.8
0
Zinc (Zn), % 30.6 to 40.5
0
Residuals, % 0 to 0.5
0