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C69700 Brass vs. C48500 Brass

Both C69700 brass and C48500 brass are copper alloys. They have 80% of their average alloy composition in common. There are 27 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 C69700 brass and the bottom bar is C48500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
13 to 40
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
39
Shear Strength, MPa 300
250 to 300
Tensile Strength: Ultimate (UTS), MPa 470
400 to 500
Tensile Strength: Yield (Proof), MPa 230
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 930
900
Melting Onset (Solidus), °C 880
890
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 43
120
Thermal Expansion, µm/m-K 19
21

Otherwise Unclassified Properties

Base Metal Price, % relative 26
23
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
56 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 250
120 to 500
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
14 to 17
Strength to Weight: Bending, points 16
15 to 17
Thermal Diffusivity, mm2/s 13
38
Thermal Shock Resistance, points 16
13 to 17

Alloy Composition

Copper (Cu), % 75 to 80
59 to 62
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0.5 to 1.5
1.3 to 2.2
Manganese (Mn), % 0 to 0.4
0
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 13.9 to 22
34.3 to 39.2
Residuals, % 0
0 to 0.4