C17000 Copper vs. AWS E320LR

C17000 copper belongs to the copper alloys classification, while AWS E320LR belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C17000 copper and the bottom bar is AWS E320LR.

UNS C17000 (CW100C) Beryllium Copper AWS E320LR (W88022) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		1.1 to 31
Elongation at Break, %		34

Poisson's Ratio		0.33
Poisson's Ratio		0.28

Shear Modulus, GPa		45
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		490 to 1310
Tensile Strength: Ultimate (UTS), MPa		580

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		980
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		870
Melting Onset (Solidus), °C		1360

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		460

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

Otherwise Unclassified Properties

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

Embodied Carbon, kg CO₂/kg material		8.7
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		140
Embodied Energy, MJ/kg		87

Embodied Water, L/kg		310
Embodied Water, L/kg		220

Common Calculations

Stiffness to Weight: Axial, points		7.6
Stiffness to Weight: Axial, points		13

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

Strength to Weight: Axial, points		15 to 41
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		16 to 30
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		17 to 45
Thermal Shock Resistance, points		15

Alloy Composition

Aluminum (Al), %		0 to 0.2
Aluminum (Al), %		0

Beryllium (Be), %		1.6 to 1.8
Beryllium (Be), %		0

Carbon (C), %		0
Carbon (C), %		0 to 0.030

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

Copper (Cu), %		96.3 to 98.2
Copper (Cu), %		3.0 to 4.0

Iron (Fe), %		0 to 0.4
Iron (Fe), %		32.7 to 42.5

Manganese (Mn), %		0
Manganese (Mn), %		1.5 to 2.5

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

Nickel (Ni), %		0.2 to 0.6
Nickel (Ni), %		32 to 36

Niobium (Nb), %		0
Niobium (Nb), %		0 to 0.4

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0 to 0.2
Silicon (Si), %		0 to 0.3

Sulfur (S), %		0
Sulfur (S), %		0 to 0.015

Residuals, %		0 to 0.5
Residuals, %		0