C33000 Brass vs. Grade 361 Molybdenum

C33000 brass belongs to the copper alloys classification, while grade 361 molybdenum belongs to the otherwise unclassified metals. 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 C33000 brass and the bottom bar is grade 361 molybdenum.

UNS C33000 Leaded Brass Grade 361 Molybdenum

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		310

Elongation at Break, %		7.0 to 60
Elongation at Break, %		6.3

Poisson's Ratio		0.31
Poisson's Ratio		0.31

Shear Modulus, GPa		40
Shear Modulus, GPa		120

Tensile Strength: Ultimate (UTS), MPa		320 to 520
Tensile Strength: Ultimate (UTS), MPa		620

Tensile Strength: Yield (Proof), MPa		110 to 450
Tensile Strength: Yield (Proof), MPa		530

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		370

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

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

Otherwise Unclassified Properties

Density, g/cm³		8.2
Density, g/cm³		10

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

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

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		35 to 150
Resilience: Ultimate (Unit Rupture Work), MJ/m³		37

Resilience: Unit (Modulus of Resilience), kJ/m³		60 to 950
Resilience: Unit (Modulus of Resilience), kJ/m³		450

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

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

Strength to Weight: Axial, points		11 to 18
Strength to Weight: Axial, points		17

Strength to Weight: Bending, points		13 to 18
Strength to Weight: Bending, points		16

Thermal Shock Resistance, points		11 to 17
Thermal Shock Resistance, points		21

Alloy Composition

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

Copper (Cu), %		65 to 68
Copper (Cu), %		0

Iron (Fe), %		0 to 0.070
Iron (Fe), %		0 to 0.010

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

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

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.0050

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

Oxygen (O), %		0
Oxygen (O), %		0 to 0.0070

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

Zinc (Zn), %		30.8 to 34.8
Zinc (Zn), %		0

Residuals, %		0 to 0.4
Residuals, %		0