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C68700 Brass vs. R60901 Alloy

C68700 brass belongs to the copper alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 18 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 C68700 brass and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
98
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 390
500 to 580
Tensile Strength: Yield (Proof), MPa 140
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Specific Heat Capacity, J/kg-K 400
270
Thermal Conductivity, W/m-K 100
17
Thermal Expansion, µm/m-K 19
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.3
6.6
Embodied Water, L/kg 340
270

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
640 to 760
Stiffness to Weight: Axial, points 7.3
8.3
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13
21 to 25
Strength to Weight: Bending, points 14
21 to 24
Thermal Diffusivity, mm2/s 30
9.7
Thermal Shock Resistance, points 13
58 to 67

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Copper (Cu), % 76 to 79
0
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
0
Niobium (Nb), % 0
2.4 to 2.8
Zinc (Zn), % 17.8 to 22.2
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29