C91700 Bronze vs. AWS BAg-26

C91700 bronze belongs to the copper alloys classification, while AWS BAg-26 belongs to the otherwise unclassified metals. They have a modest 40% 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 C91700 bronze and the bottom bar is AWS BAg-26.

UNS C91700 Nickel Gear Bronze AWS BAg-26 (P07250) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		98

Poisson's Ratio		0.34
Poisson's Ratio		0.32

Shear Modulus, GPa		41
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		160

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		160

Melting Completion (Liquidus), °C		1020
Melting Completion (Liquidus), °C		800

Melting Onset (Solidus), °C		850
Melting Onset (Solidus), °C		710

Specific Heat Capacity, J/kg-K		370
Specific Heat Capacity, J/kg-K		350

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

Otherwise Unclassified Properties

Density, g/cm³		8.7
Density, g/cm³		8.5

Embodied Carbon, kg CO₂/kg material		3.9
Embodied Carbon, kg CO₂/kg material		26

Embodied Energy, MJ/kg		63
Embodied Energy, MJ/kg		410

Common Calculations

Stiffness to Weight: Axial, points		6.9
Stiffness to Weight: Axial, points		6.4

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

Strength to Weight: Axial, points		11
Strength to Weight: Axial, points		5.2

Strength to Weight: Bending, points		12
Strength to Weight: Bending, points		7.7

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		5.6

Alloy Composition

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

Antimony (Sb), %		0 to 0.2
Antimony (Sb), %		0

Copper (Cu), %		84.2 to 87.5
Copper (Cu), %		37 to 39

Iron (Fe), %		0 to 0.2
Iron (Fe), %		0

Lead (Pb), %		0 to 0.25
Lead (Pb), %		0

Manganese (Mn), %		0
Manganese (Mn), %		1.5 to 2.5

Nickel (Ni), %		1.2 to 2.0
Nickel (Ni), %		1.5 to 2.5

Phosphorus (P), %		0 to 0.3
Phosphorus (P), %		0

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

Silver (Ag), %		0
Silver (Ag), %		24 to 26

Sulfur (S), %		0 to 0.050
Sulfur (S), %		0

Tin (Sn), %		11.3 to 12.5
Tin (Sn), %		0

Zinc (Zn), %		0 to 0.25
Zinc (Zn), %		31 to 35

Residuals, %		0
Residuals, %		0 to 0.15