Solder Alloy 301 vs. AWS BVAg-6b

Both solder alloy 301 and AWS BVAg-6b 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 (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is AWS BVAg-6b.

ISO Solder Alloy 301 (IEC B580, Bi58Sn42)AWS BVAg-6b (P07507) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		40
Elastic (Young's, Tensile) Modulus, GPa		93

Poisson's Ratio		0.34
Poisson's Ratio		0.35

Shear Modulus, GPa		15
Shear Modulus, GPa		35

Tensile Strength: Ultimate (UTS), MPa		55
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

Latent Heat of Fusion, J/g		55
Latent Heat of Fusion, J/g		160

Melting Completion (Liquidus), °C		140
Melting Completion (Liquidus), °C		870

Melting Onset (Solidus), °C		140
Melting Onset (Solidus), °C		780

Specific Heat Capacity, J/kg-K		160
Specific Heat Capacity, J/kg-K		310

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		8.7
Density, g/cm³		9.7

Embodied Carbon, kg CO₂/kg material		13
Embodied Carbon, kg CO₂/kg material		49

Embodied Energy, MJ/kg		210
Embodied Energy, MJ/kg		770

Common Calculations

Stiffness to Weight: Axial, points		2.5
Stiffness to Weight: Axial, points		5.3

Stiffness to Weight: Bending, points		13
Stiffness to Weight: Bending, points		16

Strength to Weight: Axial, points		1.8
Strength to Weight: Axial, points		5.1

Strength to Weight: Bending, points		3.7
Strength to Weight: Bending, points		7.3

Thermal Shock Resistance, points		7.2
Thermal Shock Resistance, points		7.4

Alloy Composition

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

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

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

Bismuth (Bi), %		56.5 to 59
Bismuth (Bi), %		0

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

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

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

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

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

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

Lead (Pb), %		0 to 0.070
Lead (Pb), %		0 to 0.0020

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

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

Silver (Ag), %		0 to 0.1
Silver (Ag), %		49 to 51

Tin (Sn), %		41 to 43
Tin (Sn), %		0

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