C72900 Copper-nickel vs. Type 2 Pewter

C72900 copper-nickel 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 C72900 copper-nickel and the bottom bar is Type 2 pewter.

UNS C72900 Tin-Bearing Copper-Nickel Type 2 (L13912) Sheet Pewter

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		52

Poisson's Ratio		0.34
Poisson's Ratio		0.35

Shear Modulus, GPa		45
Shear Modulus, GPa		19

Tensile Strength: Ultimate (UTS), MPa		870 to 1080
Tensile Strength: Ultimate (UTS), MPa		52 to 68

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		69

Melting Completion (Liquidus), °C		1120
Melting Completion (Liquidus), °C		300

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

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		220

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		39
Base Metal Price, % relative		75

Density, g/cm³		8.8
Density, g/cm³		7.3

Embodied Carbon, kg CO₂/kg material		4.6
Embodied Carbon, kg CO₂/kg material		12

Embodied Energy, MJ/kg		72
Embodied Energy, MJ/kg		210

Embodied Water, L/kg		360
Embodied Water, L/kg		1220

Common Calculations

Stiffness to Weight: Axial, points		7.6
Stiffness to Weight: Axial, points		3.9

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

Strength to Weight: Axial, points		27 to 34
Strength to Weight: Axial, points		2.0 to 2.6

Strength to Weight: Bending, points		23 to 27
Strength to Weight: Bending, points		4.3 to 5.1

Thermal Shock Resistance, points		31 to 38
Thermal Shock Resistance, points		3.4 to 4.4

Alloy Composition

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

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

Copper (Cu), %		74.1 to 78
Copper (Cu), %		1.5 to 3.0

Iron (Fe), %		0 to 0.5
Iron (Fe), %		0 to 0.015

Lead (Pb), %		0 to 0.020
Lead (Pb), %		0 to 0.050

Magnesium (Mg), %		0 to 0.15
Magnesium (Mg), %		0

Manganese (Mn), %		0 to 0.3
Manganese (Mn), %		0

Nickel (Ni), %		14.5 to 15.5
Nickel (Ni), %		0

Niobium (Nb), %		0 to 0.1
Niobium (Nb), %		0

Tin (Sn), %		7.5 to 8.5
Tin (Sn), %		90 to 93

Zinc (Zn), %		0 to 0.5
Zinc (Zn), %		0 to 0.0050

Residuals, %		0 to 0.3
Residuals, %		0