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C69400 Brass vs. Grade 364 Molybdenum

C69400 brass belongs to the copper alloys classification, while grade 364 molybdenum belongs to the otherwise unclassified metals. 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 C69400 brass and the bottom bar is grade 364 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
310
Elongation at Break, % 17
6.2 to 11
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
120
Tensile Strength: Ultimate (UTS), MPa 570
580 to 720
Tensile Strength: Yield (Proof), MPa 270
350 to 620

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Specific Heat Capacity, J/kg-K 410
250
Thermal Expansion, µm/m-K 18
7.0

Otherwise Unclassified Properties

Density, g/cm3 8.3
10
Embodied Carbon, kg CO2/kg material 2.7
28
Embodied Energy, MJ/kg 44
330
Embodied Water, L/kg 300
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
43 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 340
200 to 630
Stiffness to Weight: Axial, points 7.4
17
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 19
16 to 20
Strength to Weight: Bending, points 18
15 to 17
Thermal Shock Resistance, points 20
19 to 24

Alloy Composition

Carbon (C), % 0
0.010 to 0.040
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
0 to 0.010
Lead (Pb), % 0 to 0.3
0
Molybdenum (Mo), % 0
99.2 to 99.5
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0 to 0.0050
Titanium (Ti), % 0
0.4 to 0.55
Zinc (Zn), % 11.5 to 16.5
0
Zirconium (Zr), % 0
0.060 to 0.12
Residuals, % 0 to 0.5
0