CR023A Copper vs. AWS E320LR

CR023A copper belongs to the copper alloys classification, while AWS E320LR belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is AWS E320LR.

EN CR023A (Cu-DLP) Oxygen-Free Low-Phosphorus 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, %		15
Elongation at Break, %		34

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		43
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		220
Tensile Strength: Ultimate (UTS), MPa		580

Thermal Properties

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

Melting Completion (Liquidus), °C		1090
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1040
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

Base Metal Price, % relative		31
Base Metal Price, % relative		36

Density, g/cm³		9.0
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		87

Embodied Water, L/kg		320
Embodied Water, L/kg		220

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		6.8
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		9.0
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		7.8
Thermal Shock Resistance, points		15

Alloy Composition

Bismuth (Bi), %		0 to 0.00050
Bismuth (Bi), %		0

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

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

Copper (Cu), %		99.9 to 99.995
Copper (Cu), %		3.0 to 4.0

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

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

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

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

Nickel (Ni), %		0
Nickel (Ni), %		32 to 36

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

Phosphorus (P), %		0.0050 to 0.013
Phosphorus (P), %		0 to 0.020

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

Silver (Ag), %		0 to 0.015
Silver (Ag), %		0

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