AWS BVAg-29 vs. C70250 Copper

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while C70250 copper belongs to the copper alloys. They have a modest 24% 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 (10, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-29 and the bottom bar is C70250 copper.

AWS BVAg-29 (P07627) Vacuum Service Filler Metal UNS C70250 (CW112C) Nickel-Silicon Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		73
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.37
Poisson's Ratio		0.34

Shear Modulus, GPa		27
Shear Modulus, GPa		44

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		520 to 740

Thermal Properties

Latent Heat of Fusion, J/g		120
Latent Heat of Fusion, J/g		220

Melting Completion (Liquidus), °C		710
Melting Completion (Liquidus), °C		1100

Melting Onset (Solidus), °C		620
Melting Onset (Solidus), °C		1080

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

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Density, g/cm³		9.7
Density, g/cm³		8.9

Common Calculations

Stiffness to Weight: Axial, points		4.2
Stiffness to Weight: Axial, points		7.4

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

Strength to Weight: Axial, points		5.2
Strength to Weight: Axial, points		16 to 23

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		16 to 21

Thermal Shock Resistance, points		8.8
Thermal Shock Resistance, points		18 to 26

Alloy Composition

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

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

Copper (Cu), %		22.5 to 25.5
Copper (Cu), %		92.7 to 97.5

Indium (In), %		14 to 15
Indium (In), %		0

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		0 to 0.050

Magnesium (Mg), %		0
Magnesium (Mg), %		0.050 to 0.3

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.1

Nickel (Ni), %		0
Nickel (Ni), %		2.2 to 4.2

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

Silicon (Si), %		0
Silicon (Si), %		0.25 to 1.2

Silver (Ag), %		60.5 to 62.5
Silver (Ag), %		0

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		0 to 1.0

Residuals, %		0
Residuals, %		0 to 0.5