AWS E320 vs. C72800 Copper-nickel

AWS E320 belongs to the iron alloys classification, while C72800 copper-nickel belongs to the copper alloys. There are 20 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 AWS E320 and the bottom bar is C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		120

Elongation at Break, %		34
Elongation at Break, %		3.9 to 23

Poisson's Ratio		0.28
Poisson's Ratio		0.34

Shear Modulus, GPa		77
Shear Modulus, GPa		44

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		520 to 1270

Thermal Properties

Latent Heat of Fusion, J/g		300
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1080

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		920

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		380

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		38
Base Metal Price, % relative		38

Density, g/cm³		8.2
Density, g/cm³		8.8

Embodied Carbon, kg CO₂/kg material		6.5
Embodied Carbon, kg CO₂/kg material		4.4

Embodied Energy, MJ/kg		91
Embodied Energy, MJ/kg		68

Embodied Water, L/kg		220
Embodied Water, L/kg		360

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		17 to 40

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		16 to 30

Thermal Shock Resistance, points		16
Thermal Shock Resistance, points		19 to 45

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.1

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.020

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.0010

Boron (B), %		0
Boron (B), %		0 to 0.0010

Carbon (C), %		0 to 0.070
Carbon (C), %		0

Chromium (Cr), %		19 to 21
Chromium (Cr), %		0

Copper (Cu), %		3.0 to 4.0
Copper (Cu), %		78.3 to 82.8

Iron (Fe), %		31.8 to 43.5
Iron (Fe), %		0 to 0.5

Lead (Pb), %		0
Lead (Pb), %		0 to 0.0050

Magnesium (Mg), %		0
Magnesium (Mg), %		0.0050 to 0.15

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		0.050 to 0.3

Molybdenum (Mo), %		2.0 to 3.0
Molybdenum (Mo), %		0

Nickel (Ni), %		32 to 36
Nickel (Ni), %		9.5 to 10.5

Niobium (Nb), %		0 to 1.0
Niobium (Nb), %		0.1 to 0.3

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.0050

Silicon (Si), %		0 to 0.6
Silicon (Si), %		0 to 0.050

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.0025

Tin (Sn), %		0
Tin (Sn), %		7.5 to 8.5

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.010

Zinc (Zn), %		0
Zinc (Zn), %		0 to 1.0

Residuals, %		0
Residuals, %		0 to 0.3