AWS BVAg-32 vs. CR003A Copper

AWS BVAg-32 belongs to the otherwise unclassified metals classification, while CR003A copper belongs to the copper alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-32 and the bottom bar is CR003A copper.

AWS BVAg-32 (P07547) Vacuum Service Filler Metal EN CR003A (Cu-ETP1) Electrolytic Tough Pitch Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		93
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.37
Poisson's Ratio		0.34

Shear Modulus, GPa		34
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		230

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		950
Melting Completion (Liquidus), °C		1090

Melting Onset (Solidus), °C		900
Melting Onset (Solidus), °C		1040

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		390

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

Otherwise Unclassified Properties

Density, g/cm³		11
Density, g/cm³		9.0

Common Calculations

Stiffness to Weight: Axial, points		4.9
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		4.7
Strength to Weight: Axial, points		7.1

Strength to Weight: Bending, points		6.7
Strength to Weight: Bending, points		9.3

Thermal Shock Resistance, points		8.0
Thermal Shock Resistance, points		8.1

Alloy Composition

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.00040

Arsenic (As), %		0
Arsenic (As), %		0 to 0.00050

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.00020

Cadmium (Cd), %		0 to 0.0010
Cadmium (Cd), %		0

Carbon (C), %		0 to 0.0050
Carbon (C), %		0

Copper (Cu), %		20 to 22
Copper (Cu), %		99.954 to 100

Iron (Fe), %		0
Iron (Fe), %		0 to 0.0010

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		0 to 0.00050

Oxygen (O), %		0
Oxygen (O), %		0 to 0.040

Palladium (Pd), %		23 to 27
Palladium (Pd), %		0

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0

Selenium (Se), %		0
Selenium (Se), %		0 to 0.00020

Silver (Ag), %		53 to 55
Silver (Ag), %		0 to 0.0025

Sulfur (S), %		0
Sulfur (S), %		0 to 0.0015

Tellurium (Te), %		0
Tellurium (Te), %		0 to 0.00020

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		0