AWS BAu-1 vs. CR009A Copper

AWS BAu-1 belongs to the otherwise unclassified metals classification, while CR009A copper belongs to the copper alloys. They have 62% of their average alloy composition in common. 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 BAu-1 and the bottom bar is CR009A copper.

AWS BAu-1 (P00375) Filler Metal EN CR009A (Cu-OFE) Oxygen-Free Electronic Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.37
Poisson's Ratio		0.34

Shear Modulus, GPa		40
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		210
Tensile Strength: Ultimate (UTS), MPa		230

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		1020
Melting Completion (Liquidus), °C		1090

Melting Onset (Solidus), °C		990
Melting Onset (Solidus), °C		1040

Specific Heat Capacity, J/kg-K		290
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Density, g/cm³		13
Density, g/cm³		9.0

Common Calculations

Stiffness to Weight: Axial, points		4.7
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		12
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		4.5
Strength to Weight: Axial, points		7.1

Strength to Weight: Bending, points		6.1
Strength to Weight: Bending, points		9.3

Thermal Shock Resistance, points		8.5
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
Cadmium (Cd), %		0 to 0.00010

Copper (Cu), %		61.9 to 63
Copper (Cu), %		99.99 to 100

Gold (Au), %		37 to 38
Gold (Au), %		0

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

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.00050

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.0010

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.0030

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

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

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

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

Tin (Sn), %		0
Tin (Sn), %		0 to 0.00020

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.00010

Residuals, %		0 to 0.15
Residuals, %		0