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Grade 365 Molybdenum vs. C87900 Brass

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while C87900 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 365 molybdenum and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
110
Elongation at Break, % 6.3
25
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 120
41
Tensile Strength: Ultimate (UTS), MPa 620
480
Tensile Strength: Yield (Proof), MPa 530
240

Thermal Properties

Latent Heat of Fusion, J/g 370
190
Specific Heat Capacity, J/kg-K 250
390
Thermal Expansion, µm/m-K 7.0
20

Otherwise Unclassified Properties

Density, g/cm3 10
8.1
Embodied Carbon, kg CO2/kg material 28
2.7
Embodied Energy, MJ/kg 330
46
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
100
Resilience: Unit (Modulus of Resilience), kJ/m3 450
270
Stiffness to Weight: Axial, points 17
7.3
Stiffness to Weight: Bending, points 22
20
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 16
17
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
63 to 69.2
Iron (Fe), % 0 to 0.010
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 99.9 to 100
0
Nickel (Ni), % 0 to 0.0020
0 to 0.5
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.010
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
30 to 36