Type 2 Pewter vs. C91700 Bronze

Type 2 pewter belongs to the otherwise unclassified metals classification, while C91700 bronze belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is C91700 bronze.

Type 2 (L13912) Sheet Pewter UNS C91700 Nickel Gear Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		13 to 23
Brinell Hardness		90

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

Poisson's Ratio		0.35
Poisson's Ratio		0.34

Shear Modulus, GPa		19
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		52 to 68
Tensile Strength: Ultimate (UTS), MPa		330

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		1020

Melting Onset (Solidus), °C		240
Melting Onset (Solidus), °C		850

Specific Heat Capacity, J/kg-K		220
Specific Heat Capacity, J/kg-K		370

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Base Metal Price, % relative		75
Base Metal Price, % relative		36

Density, g/cm³		7.3
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		12
Embodied Carbon, kg CO₂/kg material		3.9

Embodied Energy, MJ/kg		210
Embodied Energy, MJ/kg		63

Embodied Water, L/kg		1220
Embodied Water, L/kg		400

Common Calculations

Stiffness to Weight: Axial, points		3.9
Stiffness to Weight: Axial, points		6.9

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		2.0 to 2.6
Strength to Weight: Axial, points		11

Strength to Weight: Bending, points		4.3 to 5.1
Strength to Weight: Bending, points		12

Thermal Shock Resistance, points		3.4 to 4.4
Thermal Shock Resistance, points		12

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		5.0 to 7.5
Antimony (Sb), %		0 to 0.2

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

Copper (Cu), %		1.5 to 3.0
Copper (Cu), %		84.2 to 87.5

Iron (Fe), %		0 to 0.015
Iron (Fe), %		0 to 0.2

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

Nickel (Ni), %		0
Nickel (Ni), %		1.2 to 2.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.3

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

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

Tin (Sn), %		90 to 93
Tin (Sn), %		11.3 to 12.5

Zinc (Zn), %		0 to 0.0050
Zinc (Zn), %		0 to 0.25