AWS BVAg-18 vs. Solder Alloy 104

Both AWS BVAg-18 and solder alloy 104 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 17 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-18 and the bottom bar is solder alloy 104.

AWS BVAg-18 (P07607) Vacuum Service Filler Metal ISO Solder Alloy 104 (Sn60Pb40E)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		82
Elastic (Young's, Tensile) Modulus, GPa		37

Poisson's Ratio		0.36
Poisson's Ratio		0.39

Shear Modulus, GPa		30
Shear Modulus, GPa		13

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		51

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		45

Melting Completion (Liquidus), °C		720
Melting Completion (Liquidus), °C		190

Melting Onset (Solidus), °C		600
Melting Onset (Solidus), °C		180

Specific Heat Capacity, J/kg-K		280
Specific Heat Capacity, J/kg-K		180

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		25

Otherwise Unclassified Properties

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

Embodied Carbon, kg CO₂/kg material		59
Embodied Carbon, kg CO₂/kg material		10

Embodied Energy, MJ/kg		930
Embodied Energy, MJ/kg		180

Common Calculations

Stiffness to Weight: Axial, points		4.7
Stiffness to Weight: Axial, points		2.3

Stiffness to Weight: Bending, points		15
Stiffness to Weight: Bending, points		12

Strength to Weight: Axial, points		5.1
Strength to Weight: Axial, points		1.6

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		3.4

Thermal Shock Resistance, points		8.1
Thermal Shock Resistance, points		4.0

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0010

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.050

Arsenic (As), %		0
Arsenic (As), %		0 to 0.030

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.050

Cadmium (Cd), %		0 to 0.0010
Cadmium (Cd), %		0 to 0.0020

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

Copper (Cu), %		28.5 to 31.5
Copper (Cu), %		0 to 0.080

Gold (Au), %		0
Gold (Au), %		0 to 0.050

Indium (In), %		0
Indium (In), %		0 to 0.1

Iron (Fe), %		0
Iron (Fe), %		0 to 0.020

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		39 to 40.5

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.010

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

Silver (Ag), %		59 to 61
Silver (Ag), %		0 to 0.1

Tin (Sn), %		9.5 to 10.5
Tin (Sn), %		59.5 to 60.5

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