C68800 Brass vs. Type 2 Pewter

C68800 brass belongs to the copper alloys classification, while Type 2 pewter belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is Type 2 pewter.

UNS C68800 Aluminum Brass Type 2 (L13912) Sheet Pewter

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.32
Poisson's Ratio		0.35

Shear Modulus, GPa		41
Shear Modulus, GPa		19

Tensile Strength: Ultimate (UTS), MPa		570 to 890
Tensile Strength: Ultimate (UTS), MPa		52 to 68

Thermal Properties

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

Melting Completion (Liquidus), °C		960
Melting Completion (Liquidus), °C		300

Melting Onset (Solidus), °C		950
Melting Onset (Solidus), °C		240

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		220

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		26
Base Metal Price, % relative		75

Density, g/cm³		8.2
Density, g/cm³		7.3

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		12

Embodied Energy, MJ/kg		48
Embodied Energy, MJ/kg		210

Embodied Water, L/kg		350
Embodied Water, L/kg		1220

Common Calculations

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

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		17

Strength to Weight: Axial, points		19 to 30
Strength to Weight: Axial, points		2.0 to 2.6

Strength to Weight: Bending, points		19 to 25
Strength to Weight: Bending, points		4.3 to 5.1

Thermal Shock Resistance, points		19 to 30
Thermal Shock Resistance, points		3.4 to 4.4

Alloy Composition

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Aluminum (Al), %		3.0 to 3.8
Aluminum (Al), %		0

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

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

Cobalt (Co), %		0.25 to 0.55
Cobalt (Co), %		0

Copper (Cu), %		70.8 to 75.5
Copper (Cu), %		1.5 to 3.0

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

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

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

Zinc (Zn), %		21.3 to 24.1
Zinc (Zn), %		0 to 0.0050

Residuals, %		0 to 0.5
Residuals, %		0