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C85400 Brass vs. C69700 Brass

Both C85400 brass and C69700 brass are copper alloys. They have 87% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 23
25
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 220
470
Tensile Strength: Yield (Proof), MPa 85
230

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 940
930
Melting Onset (Solidus), °C 940
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 89
43
Thermal Expansion, µm/m-K 20
19

Otherwise Unclassified Properties

Base Metal Price, % relative 25
26
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
99
Resilience: Unit (Modulus of Resilience), kJ/m3 35
250
Stiffness to Weight: Axial, points 7.0
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 7.5
16
Strength to Weight: Bending, points 9.9
16
Thermal Diffusivity, mm2/s 28
13
Thermal Shock Resistance, points 7.6
16

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Copper (Cu), % 65 to 70
75 to 80
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 1.5 to 3.8
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.050
2.5 to 3.5
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
13.9 to 22
Residuals, % 0
0 to 0.5