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C33200 Brass vs. ACI-ASTM CF8C Steel

C33200 brass belongs to the copper alloys classification, while ACI-ASTM CF8C steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C33200 brass and the bottom bar is ACI-ASTM CF8C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 7.0 to 60
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 320 to 520
530
Tensile Strength: Yield (Proof), MPa 110 to 450
260

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 130
980
Melting Completion (Liquidus), °C 930
1420
Melting Onset (Solidus), °C 900
1430
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
19
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 960
170
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 17
19
Strength to Weight: Bending, points 13 to 17
19
Thermal Diffusivity, mm2/s 37
4.3
Thermal Shock Resistance, points 11 to 17
11

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 65 to 68
0
Iron (Fe), % 0 to 0.070
61.8 to 73
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 29 to 33.5
0
Residuals, % 0 to 0.4
0