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C68700 Brass vs. Grade 361 Molybdenum

C68700 brass belongs to the copper alloys classification, while grade 361 molybdenum 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 grade 361 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
310
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
120
Tensile Strength: Ultimate (UTS), MPa 390
620
Tensile Strength: Yield (Proof), MPa 140
530

Thermal Properties

Latent Heat of Fusion, J/g 190
370
Specific Heat Capacity, J/kg-K 400
250
Thermal Expansion, µm/m-K 19
7.0

Otherwise Unclassified Properties

Density, g/cm3 8.3
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: Unit (Modulus of Resilience), kJ/m3 90
450
Stiffness to Weight: Axial, points 7.3
17
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 13
17
Strength to Weight: Bending, points 14
16
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 76 to 79
0
Iron (Fe), % 0 to 0.060
0 to 0.010
Lead (Pb), % 0 to 0.070
0
Molybdenum (Mo), % 0
99.9 to 100
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.0070
Silicon (Si), % 0
0 to 0.010
Zinc (Zn), % 17.8 to 22.2
0
Residuals, % 0 to 0.5
0