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C68300 Brass vs. Grade 363 Molybdenum

C68300 brass belongs to the copper alloys classification, while grade 363 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is grade 363 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
310
Elongation at Break, % 15
6.2 to 11
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
120
Tensile Strength: Ultimate (UTS), MPa 430
580 to 720
Tensile Strength: Yield (Proof), MPa 260
350 to 620

Thermal Properties

Latent Heat of Fusion, J/g 180
370
Specific Heat Capacity, J/kg-K 390
250
Thermal Expansion, µm/m-K 20
7.0

Otherwise Unclassified Properties

Density, g/cm3 8.0
10
Embodied Carbon, kg CO2/kg material 2.8
28
Embodied Energy, MJ/kg 46
330
Embodied Water, L/kg 340
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
43 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 330
200 to 630
Stiffness to Weight: Axial, points 7.3
17
Stiffness to Weight: Bending, points 20
22
Strength to Weight: Axial, points 15
16 to 20
Strength to Weight: Bending, points 16
15 to 17
Thermal Shock Resistance, points 14
19 to 24

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0.010 to 0.030
Copper (Cu), % 59 to 63
0
Iron (Fe), % 0
0 to 0.010
Lead (Pb), % 0 to 0.090
0
Molybdenum (Mo), % 0
99.3 to 99.5
Nickel (Ni), % 0
0 to 0.0020
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.0030
Silicon (Si), % 0.3 to 1.0
0 to 0.010
Tin (Sn), % 0.050 to 0.2
0
Titanium (Ti), % 0
0.4 to 0.55
Zinc (Zn), % 34.2 to 40.4
0
Zirconium (Zr), % 0
0.060 to 0.12
Residuals, % 0 to 0.5
0