AWS BAg-4 vs. C90400 Bronze

AWS BAg-4 belongs to the otherwise unclassified metals classification, while C90400 bronze belongs to the copper alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-4 and the bottom bar is C90400 bronze.

AWS BAg-4 (P07400) Filler Metal UNS C90400 Tin Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		91
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.33
Poisson's Ratio		0.34

Shear Modulus, GPa		34
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		150
Tensile Strength: Ultimate (UTS), MPa		310

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		190

Melting Completion (Liquidus), °C		780
Melting Completion (Liquidus), °C		990

Melting Onset (Solidus), °C		670
Melting Onset (Solidus), °C		850

Specific Heat Capacity, J/kg-K		330
Specific Heat Capacity, J/kg-K		370

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		8.9
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		40
Embodied Carbon, kg CO₂/kg material		3.5

Embodied Energy, MJ/kg		630
Embodied Energy, MJ/kg		56

Common Calculations

Stiffness to Weight: Axial, points		5.7
Stiffness to Weight: Axial, points		7.0

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		4.7
Strength to Weight: Axial, points		10

Strength to Weight: Bending, points		7.1
Strength to Weight: Bending, points		12

Thermal Shock Resistance, points		5.7
Thermal Shock Resistance, points		11

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.020

Boron (B), %		0
Boron (B), %		0 to 0.1

Copper (Cu), %		29 to 31
Copper (Cu), %		86 to 89

Iron (Fe), %		0
Iron (Fe), %		0 to 0.4

Lead (Pb), %		0
Lead (Pb), %		0 to 0.090

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.010

Nickel (Ni), %		1.5 to 2.5
Nickel (Ni), %		0 to 1.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.050

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

Silver (Ag), %		39 to 41
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0.1 to 0.65

Tin (Sn), %		0
Tin (Sn), %		7.5 to 8.5

Zinc (Zn), %		26 to 30
Zinc (Zn), %		1.0 to 5.0

Zirconium (Zr), %		0
Zirconium (Zr), %		0 to 0.1

Residuals, %		0
Residuals, %		0 to 0.7