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C69700 Brass vs. C69710 Brass

Both C69700 brass and C69710 brass are copper alloys. Both are furnished in the H04 (full hard) temper. Their average alloy composition is basically identical. 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 C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
25
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
41
Shear Strength, MPa 300
300
Tensile Strength: Ultimate (UTS), MPa 470
470
Tensile Strength: Yield (Proof), MPa 230
230

Thermal Properties

Latent Heat of Fusion, J/g 240
240
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 930
930
Melting Onset (Solidus), °C 880
880
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 43
40
Thermal Expansion, µm/m-K 19
19

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
99
Resilience: Unit (Modulus of Resilience), kJ/m3 250
250
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
16
Strength to Weight: Bending, points 16
16
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 16
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 75 to 80
75 to 80
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0.5 to 1.5
0.5 to 1.5
Manganese (Mn), % 0 to 0.4
0 to 0.4
Silicon (Si), % 2.5 to 3.5
2.5 to 3.5
Zinc (Zn), % 13.9 to 22
13.8 to 22
Residuals, % 0
0 to 0.5