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C42500 Brass vs. C69700 Brass

Both C42500 brass and C69700 brass are copper alloys. They have 87% of their average alloy composition in common. There are 27 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 C42500 brass and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.0 to 49
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
41
Shear Strength, MPa 220 to 360
300
Tensile Strength: Ultimate (UTS), MPa 310 to 630
470
Tensile Strength: Yield (Proof), MPa 120 to 590
230

Thermal Properties

Latent Heat of Fusion, J/g 200
240
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1030
930
Melting Onset (Solidus), °C 1010
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
43
Thermal Expansion, µm/m-K 18
19

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.7
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 12 to 130
99
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 1570
250
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.9 to 20
16
Strength to Weight: Bending, points 12 to 19
16
Thermal Diffusivity, mm2/s 36
13
Thermal Shock Resistance, points 11 to 22
16

Alloy Composition

Copper (Cu), % 87 to 90
75 to 80
Iron (Fe), % 0 to 0.050
0 to 0.2
Lead (Pb), % 0 to 0.050
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.35
0
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 1.5 to 3.0
0
Zinc (Zn), % 6.1 to 11.5
13.9 to 22
Residuals, % 0
0 to 0.5