Grade 365 Molybdenum vs. C21000 Brass

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while C21000 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 C21000 brass.

Grade 365 Molybdenum UNS C21000 (CW500L) Gilding Brass

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		6.3
Elongation at Break, %		2.9 to 50

Poisson's Ratio		0.31
Poisson's Ratio		0.34

Shear Modulus, GPa		120
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		240 to 450

Tensile Strength: Yield (Proof), MPa		530
Tensile Strength: Yield (Proof), MPa		69 to 440

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		200

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		18

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.8

Embodied Carbon, kg CO₂/kg material		28
Embodied Carbon, kg CO₂/kg material		2.6

Embodied Energy, MJ/kg		330
Embodied Energy, MJ/kg		42

Embodied Water, L/kg		360
Embodied Water, L/kg		310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		37
Resilience: Ultimate (Unit Rupture Work), MJ/m³		13 to 100

Resilience: Unit (Modulus of Resilience), kJ/m³		450
Resilience: Unit (Modulus of Resilience), kJ/m³		21 to 830

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

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		7.4 to 14

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		9.6 to 15

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		8.1 to 15

Alloy Composition

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

Copper (Cu), %		0
Copper (Cu), %		94 to 96

Iron (Fe), %		0 to 0.010
Iron (Fe), %		0 to 0.050

Lead (Pb), %		0
Lead (Pb), %		0 to 0.030

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), %		3.7 to 6.0

Residuals, %		0
Residuals, %		0 to 0.2