C87900 Brass vs. Type 2 Pewter

C87900 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 (11, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is Type 2 pewter.

UNS C87900 Silicon 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		0.31
Poisson's Ratio		0.35

Shear Modulus, GPa		41
Shear Modulus, GPa		19

Tensile Strength: Ultimate (UTS), MPa		480
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		930
Melting Completion (Liquidus), °C		300

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

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

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

Otherwise Unclassified Properties

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

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

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

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

Embodied Water, L/kg		320
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		20
Stiffness to Weight: Bending, points		17

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

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

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

Alloy Composition

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

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

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

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

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

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

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

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

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

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

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

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

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