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ACI-ASTM CG12 Steel vs. C49300 Brass

ACI-ASTM CG12 steel belongs to the iron alloys classification, while C49300 brass belongs to the copper 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 ACI-ASTM CG12 steel and the bottom bar is C49300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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