Type 2 Pewter vs. R30016 Cobalt

Type 2 pewter belongs to the otherwise unclassified metals classification, while R30016 cobalt belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is R30016 cobalt.

Type 2 (L13912) Sheet Pewter UNS R30016 Co-Cr-W Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		52
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.35
Poisson's Ratio		0.28

Shear Modulus, GPa		19
Shear Modulus, GPa		85

Tensile Strength: Ultimate (UTS), MPa		52 to 68
Tensile Strength: Ultimate (UTS), MPa		1010

Thermal Properties

Latent Heat of Fusion, J/g		69
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		300
Melting Completion (Liquidus), °C		1360

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		1270

Specific Heat Capacity, J/kg-K		220
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Density, g/cm³		7.3
Density, g/cm³		8.5

Embodied Carbon, kg CO₂/kg material		12
Embodied Carbon, kg CO₂/kg material		7.7

Embodied Energy, MJ/kg		210
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		1220
Embodied Water, L/kg		500

Common Calculations

Stiffness to Weight: Axial, points		3.9
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		2.0 to 2.6
Strength to Weight: Axial, points		33

Strength to Weight: Bending, points		4.3 to 5.1
Strength to Weight: Bending, points		26

Thermal Shock Resistance, points		3.4 to 4.4
Thermal Shock Resistance, points		24

Alloy Composition

Antimony (Sb), %		5.0 to 7.5
Antimony (Sb), %		0

Arsenic (As), %		0 to 0.050
Arsenic (As), %		0

Carbon (C), %		0
Carbon (C), %		0.9 to 1.4

Chromium (Cr), %		0
Chromium (Cr), %		28 to 32

Cobalt (Co), %		0
Cobalt (Co), %		49.6 to 66.9

Copper (Cu), %		1.5 to 3.0
Copper (Cu), %		0

Iron (Fe), %		0 to 0.015
Iron (Fe), %		0 to 3.0

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0

Manganese (Mn), %		0
Manganese (Mn), %		0.5 to 2.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 1.5

Nickel (Ni), %		0
Nickel (Ni), %		0 to 3.0

Silicon (Si), %		0
Silicon (Si), %		0.2 to 2.0

Tin (Sn), %		90 to 93
Tin (Sn), %		0

Tungsten (W), %		0
Tungsten (W), %		3.5 to 5.5

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		0