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Grade 365 Molybdenum vs. C99750 Brass

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while C99750 brass belongs to the copper alloys. 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 grade 365 molybdenum and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
130
Elongation at Break, % 6.3
20 to 30
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 120
48
Tensile Strength: Ultimate (UTS), MPa 620
450 to 520
Tensile Strength: Yield (Proof), MPa 530
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 370
200
Specific Heat Capacity, J/kg-K 250
410
Thermal Expansion, µm/m-K 7.0
20

Otherwise Unclassified Properties

Density, g/cm3 10
8.1
Embodied Carbon, kg CO2/kg material 28
3.1
Embodied Energy, MJ/kg 330
51
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
190 to 300
Stiffness to Weight: Axial, points 17
8.6
Stiffness to Weight: Bending, points 22
21
Strength to Weight: Axial, points 17
15 to 18
Strength to Weight: Bending, points 16
16 to 18
Thermal Shock Resistance, points 21
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
55 to 61
Iron (Fe), % 0 to 0.010
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Molybdenum (Mo), % 99.9 to 100
0
Nickel (Ni), % 0 to 0.0020
0 to 5.0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0015
0
Silicon (Si), % 0 to 0.010
0
Zinc (Zn), % 0
17 to 23
Residuals, % 0
0 to 0.3