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C68700 Brass vs. R04295 Alloy

C68700 brass belongs to the copper alloys classification, while R04295 alloy belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C68700 brass and the bottom bar is R04295 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.32
0.38
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 390
410
Tensile Strength: Yield (Proof), MPa 140
300

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Specific Heat Capacity, J/kg-K 400
260
Thermal Expansion, µm/m-K 19
7.2

Otherwise Unclassified Properties

Density, g/cm3 8.3
9.0
Embodied Water, L/kg 340
950

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
430
Stiffness to Weight: Axial, points 7.3
6.3
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 13
13
Strength to Weight: Bending, points 14
14
Thermal Shock Resistance, points 13
40

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.015
Copper (Cu), % 76 to 79
0
Hafnium (Hf), % 0
9.0 to 11
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
0
Niobium (Nb), % 0
85.9 to 90.3
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.7 to 1.3
Tungsten (W), % 0
0 to 0.5
Zinc (Zn), % 17.8 to 22.2
0
Zirconium (Zr), % 0
0 to 0.7
Residuals, % 0 to 0.5
0