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R60802 Alloy vs. C69700 Brass

R60802 alloy belongs to the otherwise unclassified metals classification, while C69700 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R60802 alloy and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
110
Elongation at Break, % 22
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 36
41
Tensile Strength: Ultimate (UTS), MPa 430
470
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Specific Heat Capacity, J/kg-K 270
400
Thermal Conductivity, W/m-K 22
43
Thermal Expansion, µm/m-K 6.0
19

Otherwise Unclassified Properties

Density, g/cm3 6.5
8.3
Embodied Water, L/kg 290
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
99
Resilience: Unit (Modulus of Resilience), kJ/m3 380
250
Stiffness to Weight: Axial, points 8.3
7.3
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 53
16

Alloy Composition

Chromium (Cr), % 0.050 to 0.15
0
Copper (Cu), % 0
75 to 80
Iron (Fe), % 0.070 to 0.2
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Nickel (Ni), % 0.030 to 0.080
0
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 1.2 to 1.7
0
Zinc (Zn), % 0
13.9 to 22
Zirconium (Zr), % 97.8 to 98.7
0
Residuals, % 0
0 to 0.5