C67300 Bronze vs. AWS BVAg-18

C67300 bronze belongs to the copper alloys classification, while AWS BVAg-18 belongs to the otherwise unclassified metals. They have a modest 30% 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 (14, in this case) are not shown.

For each property being compared, the top bar is C67300 bronze and the bottom bar is AWS BVAg-18.

UNS C67300 Leaded Manganese Bronze AWS BVAg-18 (P07607) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		82

Poisson's Ratio		0.31
Poisson's Ratio		0.36

Shear Modulus, GPa		41
Shear Modulus, GPa		30

Tensile Strength: Ultimate (UTS), MPa		500
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

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

Melting Completion (Liquidus), °C		870
Melting Completion (Liquidus), °C		720

Melting Onset (Solidus), °C		830
Melting Onset (Solidus), °C		600

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		280

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		8.0
Density, g/cm³		9.7

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		59

Embodied Energy, MJ/kg		46
Embodied Energy, MJ/kg		930

Common Calculations

Stiffness to Weight: Axial, points		7.4
Stiffness to Weight: Axial, points		4.7

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		15

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		5.1

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		7.3

Thermal Shock Resistance, points		16
Thermal Shock Resistance, points		8.1

Alloy Composition

Aluminum (Al), %		0 to 0.25
Aluminum (Al), %		0

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

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

Copper (Cu), %		58 to 63
Copper (Cu), %		28.5 to 31.5

Iron (Fe), %		0 to 0.5
Iron (Fe), %		0

Lead (Pb), %		0.4 to 3.0
Lead (Pb), %		0 to 0.0020

Manganese (Mn), %		2.0 to 3.5
Manganese (Mn), %		0

Nickel (Ni), %		0 to 0.25
Nickel (Ni), %		0

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

Silicon (Si), %		0.5 to 1.5
Silicon (Si), %		0

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

Tin (Sn), %		0 to 0.3
Tin (Sn), %		9.5 to 10.5

Zinc (Zn), %		27.2 to 39.1
Zinc (Zn), %		0 to 0.0010

Residuals, %		0 to 0.5
Residuals, %		0