AWS BVAg-6b vs. Solder Alloy 703

Both AWS BVAg-6b and solder alloy 703 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-6b and the bottom bar is solder alloy 703.

AWS BVAg-6b (P07507) Vacuum Service Filler Metal ISO Solder Alloy 703 (IEC A35, Sn96.5Ag3.5)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		93
Elastic (Young's, Tensile) Modulus, GPa		51

Poisson's Ratio		0.35
Poisson's Ratio		0.36

Shear Modulus, GPa		35
Shear Modulus, GPa		19

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		57

Thermal Properties

Latent Heat of Fusion, J/g		160
Latent Heat of Fusion, J/g		61

Melting Completion (Liquidus), °C		870
Melting Completion (Liquidus), °C		220

Melting Onset (Solidus), °C		780
Melting Onset (Solidus), °C		220

Specific Heat Capacity, J/kg-K		310
Specific Heat Capacity, J/kg-K		220

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		22

Otherwise Unclassified Properties

Density, g/cm³		9.7
Density, g/cm³		7.4

Embodied Carbon, kg CO₂/kg material		49
Embodied Carbon, kg CO₂/kg material		18

Embodied Energy, MJ/kg		770
Embodied Energy, MJ/kg		300

Common Calculations

Stiffness to Weight: Axial, points		5.3
Stiffness to Weight: Axial, points		3.8

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		17

Strength to Weight: Axial, points		5.1
Strength to Weight: Axial, points		2.1

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		4.4

Thermal Shock Resistance, points		7.4
Thermal Shock Resistance, points		3.7

Alloy Composition

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

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.1

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

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.1

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

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

Copper (Cu), %		49 to 51
Copper (Cu), %		0 to 0.050

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), %		0 to 0.070

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

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

Silver (Ag), %		49 to 51
Silver (Ag), %		3.3 to 3.7

Tin (Sn), %		0
Tin (Sn), %		95.8 to 96.7

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