Type 2 Pewter vs. C87900 Brass

Type 2 pewter belongs to the otherwise unclassified metals classification, while C87900 brass belongs to the copper alloys. There are 19 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 Type 2 pewter and the bottom bar is C87900 brass.

Type 2 (L13912) Sheet Pewter UNS C87900 Silicon Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		52
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.35
Poisson's Ratio		0.31

Shear Modulus, GPa		19
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		52 to 68
Tensile Strength: Ultimate (UTS), MPa		480

Thermal Properties

Latent Heat of Fusion, J/g		69
Latent Heat of Fusion, J/g		190

Melting Completion (Liquidus), °C		300
Melting Completion (Liquidus), °C		930

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		900

Specific Heat Capacity, J/kg-K		220
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Base Metal Price, % relative		75
Base Metal Price, % relative		24

Density, g/cm³		7.3
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		12
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		210
Embodied Energy, MJ/kg		46

Embodied Water, L/kg		1220
Embodied Water, L/kg		320

Common Calculations

Stiffness to Weight: Axial, points		3.9
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		2.0 to 2.6
Strength to Weight: Axial, points		17

Strength to Weight: Bending, points		4.3 to 5.1
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		3.4 to 4.4
Thermal Shock Resistance, points		16

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.15

Antimony (Sb), %		5.0 to 7.5
Antimony (Sb), %		0 to 0.050

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

Copper (Cu), %		1.5 to 3.0
Copper (Cu), %		63 to 69.2

Iron (Fe), %		0 to 0.015
Iron (Fe), %		0 to 0.4

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 0.25

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.15

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.5

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0
Silicon (Si), %		0.8 to 1.2

Sulfur (S), %		0
Sulfur (S), %		0 to 0.050

Tin (Sn), %		90 to 93
Tin (Sn), %		0 to 0.25

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		30 to 36