Grade 365 Molybdenum vs. C33500 Brass

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while C33500 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 365 molybdenum and the bottom bar is C33500 brass.

Grade 365 Molybdenum UNS C33500 (CW604N) Leaded Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		310
Elastic (Young's, Tensile) Modulus, GPa		100

Elongation at Break, %		6.3
Elongation at Break, %		3.0 to 28

Poisson's Ratio		0.31
Poisson's Ratio		0.31

Shear Modulus, GPa		120
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		340 to 650

Tensile Strength: Yield (Proof), MPa		530
Tensile Strength: Yield (Proof), MPa		120 to 420

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		170

Specific Heat Capacity, J/kg-K		250
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		7.0
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		28
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		330
Embodied Energy, MJ/kg		45

Embodied Water, L/kg		360
Embodied Water, L/kg		320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		37
Resilience: Ultimate (Unit Rupture Work), MJ/m³		8.0 to 160

Resilience: Unit (Modulus of Resilience), kJ/m³		450
Resilience: Unit (Modulus of Resilience), kJ/m³		69 to 860

Stiffness to Weight: Axial, points		17
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		12 to 22

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		13 to 21

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		11 to 22

Alloy Composition

Carbon (C), %		0 to 0.010
Carbon (C), %		0

Copper (Cu), %		0
Copper (Cu), %		62 to 65

Iron (Fe), %		0 to 0.010
Iron (Fe), %		0 to 0.1

Lead (Pb), %		0
Lead (Pb), %		0.25 to 0.7

Molybdenum (Mo), %		99.9 to 100
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 0.0020
Nickel (Ni), %		0

Nitrogen (N), %		0 to 0.0020
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.0015
Oxygen (O), %		0

Silicon (Si), %		0 to 0.010
Silicon (Si), %		0

Zinc (Zn), %		0
Zinc (Zn), %		33.8 to 37.8

Residuals, %		0
Residuals, %		0 to 0.4