C90500 Gun Metal vs. AWS BAg-9

C90500 gun metal belongs to the copper alloys classification, while AWS BAg-9 belongs to the otherwise unclassified metals. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 16 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is C90500 gun metal and the bottom bar is AWS BAg-9.

UNS C90500 (Alloy D, SAE 62) Gun Metal AWS BAg-9 (P07650) 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		0.34
Poisson's Ratio		0.35

Shear Modulus, GPa		40
Shear Modulus, GPa		31

Tensile Strength: Ultimate (UTS), MPa		320
Tensile Strength: Ultimate (UTS), MPa		140

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		130

Melting Completion (Liquidus), °C		1000
Melting Completion (Liquidus), °C		720

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

Specific Heat Capacity, J/kg-K		370
Specific Heat Capacity, J/kg-K		290

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Density, g/cm³		8.7
Density, g/cm³		9.6

Embodied Energy, MJ/kg		59
Embodied Energy, MJ/kg		980

Common Calculations

Stiffness to Weight: Axial, points		6.9
Stiffness to Weight: Axial, points		4.8

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		15

Strength to Weight: Axial, points		10
Strength to Weight: Axial, points		4.1

Strength to Weight: Bending, points		12
Strength to Weight: Bending, points		6.3

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		6.0

Alloy Composition

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

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

Copper (Cu), %		86 to 89
Copper (Cu), %		19 to 21

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

Lead (Pb), %		0 to 0.3
Lead (Pb), %		0

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

Phosphorus (P), %		0 to 1.5
Phosphorus (P), %		0

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

Silver (Ag), %		0
Silver (Ag), %		64 to 66

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

Tin (Sn), %		9.0 to 11
Tin (Sn), %		0

Zinc (Zn), %		1.0 to 3.0
Zinc (Zn), %		13 to 17

Residuals, %		0 to 0.3
Residuals, %		0 to 0.15