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C69710 Brass vs. C43000 Brass

Both C69710 brass and C43000 brass are copper alloys. They have 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
3.0 to 55
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
42
Shear Strength, MPa 300
230 to 410
Tensile Strength: Ultimate (UTS), MPa 470
320 to 710
Tensile Strength: Yield (Proof), MPa 230
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 930
1030
Melting Onset (Solidus), °C 880
1000
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
28

Otherwise Unclassified Properties

Base Metal Price, % relative 26
29
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 250
82 to 1350
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
10 to 23
Strength to Weight: Bending, points 16
12 to 20
Thermal Diffusivity, mm2/s 12
36
Thermal Shock Resistance, points 16
11 to 25

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
84 to 87
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 0.5 to 1.5
0 to 0.1
Manganese (Mn), % 0 to 0.4
0
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
1.7 to 2.7
Zinc (Zn), % 13.8 to 22
9.7 to 14.3
Residuals, % 0
0 to 0.5