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C99750 Brass vs. R60705 Alloy

C99750 brass belongs to the copper alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C99750 brass and the bottom bar is R60705 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
98
Elongation at Break, % 20 to 30
18
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 48
37
Tensile Strength: Ultimate (UTS), MPa 450 to 520
540
Tensile Strength: Yield (Proof), MPa 220 to 280
430

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Specific Heat Capacity, J/kg-K 410
270
Thermal Expansion, µm/m-K 20
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.1
6.7
Embodied Water, L/kg 310
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
90
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
950
Stiffness to Weight: Axial, points 8.6
8.1
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 15 to 18
22
Strength to Weight: Bending, points 16 to 18
22
Thermal Shock Resistance, points 13 to 15
63

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 55 to 61
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 1.0
0 to 0.2
Lead (Pb), % 0.5 to 2.5
0
Manganese (Mn), % 17 to 23
0
Nickel (Ni), % 0 to 5.0
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Zinc (Zn), % 17 to 23
0
Zirconium (Zr), % 0
91 to 98
Residuals, % 0 to 0.3
0