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C85700 Brass vs. C43000 Brass

Both C85700 brass and C43000 brass are copper alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C85700 brass and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
3.0 to 55
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 310
320 to 710
Tensile Strength: Yield (Proof), MPa 110
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 940
1030
Melting Onset (Solidus), °C 910
1000
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 84
120
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
27
Electrical Conductivity: Equal Weight (Specific), % IACS 25
28

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 59
82 to 1350
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 11
10 to 23
Strength to Weight: Bending, points 13
12 to 20
Thermal Diffusivity, mm2/s 27
36
Thermal Shock Resistance, points 10
11 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Copper (Cu), % 58 to 64
84 to 87
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0.8 to 1.5
0 to 0.1
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
1.7 to 2.7
Zinc (Zn), % 32 to 40
9.7 to 14.3
Residuals, % 0
0 to 0.5