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C69710 Brass vs. R60705 Alloy

C69710 brass belongs to the copper alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is R60705 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
98
Elongation at Break, % 25
18
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 470
540
Tensile Strength: Yield (Proof), MPa 230
430

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 400
270
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 19
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.3
6.7
Embodied Water, L/kg 310
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
90
Resilience: Unit (Modulus of Resilience), kJ/m3 250
950
Stiffness to Weight: Axial, points 7.3
8.1
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 12
9.5
Thermal Shock Resistance, points 16
63

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 75 to 80
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Silicon (Si), % 2.5 to 3.5
0
Zinc (Zn), % 13.8 to 22
0
Zirconium (Zr), % 0
91 to 98
Residuals, % 0 to 0.5
0