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C48500 Brass vs. C69710 Brass

Both C48500 brass and C69710 brass are copper alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is C48500 brass and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 890
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
8.7

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56 to 140
99
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
250
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14 to 17
16
Strength to Weight: Bending, points 15 to 17
16
Thermal Diffusivity, mm2/s 38
12
Thermal Shock Resistance, points 13 to 17
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 59 to 62
75 to 80
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 1.3 to 2.2
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 0.5 to 1.0
0
Zinc (Zn), % 34.3 to 39.2
13.8 to 22
Residuals, % 0
0 to 0.5