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Grade 366 Molybdenum vs. C34500 Brass

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while C34500 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 366 molybdenum and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
100
Elongation at Break, % 2.2
12 to 28
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 120
40
Tensile Strength: Ultimate (UTS), MPa 580
340 to 430
Tensile Strength: Yield (Proof), MPa 470
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Specific Heat Capacity, J/kg-K 210
380
Thermal Expansion, µm/m-K 7.6
21

Otherwise Unclassified Properties

Density, g/cm3 12
8.2
Embodied Carbon, kg CO2/kg material 27
2.6
Embodied Energy, MJ/kg 340
45
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 370
69 to 160
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 13
12 to 15
Strength to Weight: Bending, points 13
13 to 16
Thermal Shock Resistance, points 18
11 to 14

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 0 to 0.010
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Molybdenum (Mo), % 66.9 to 73
0
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0025
0
Silicon (Si), % 0 to 0.010
0
Tungsten (W), % 27 to 33
0
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4