C68400 Brass vs. AWS BAg-34

C68400 brass belongs to the copper alloys classification, while AWS BAg-34 belongs to the otherwise unclassified metals. They have 60% of their average alloy composition in common. 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 C68400 brass and the bottom bar is AWS BAg-34.

UNS C68400 Silicon-Manganese Brass AWS BAg-34 (P07380) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		89

Poisson's Ratio		0.31
Poisson's Ratio		0.33

Shear Modulus, GPa		41
Shear Modulus, GPa		34

Tensile Strength: Ultimate (UTS), MPa		540
Tensile Strength: Ultimate (UTS), MPa		170

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		840
Melting Completion (Liquidus), °C		720

Melting Onset (Solidus), °C		820
Melting Onset (Solidus), °C		650

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		330

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Density, g/cm³		7.9
Density, g/cm³		8.8

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		38

Embodied Energy, MJ/kg		47
Embodied Energy, MJ/kg		600

Common Calculations

Stiffness to Weight: Axial, points		7.5
Stiffness to Weight: Axial, points		5.6

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		17

Strength to Weight: Axial, points		19
Strength to Weight: Axial, points		5.4

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		7.7

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		6.5

Alloy Composition

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Aluminum (Al), %		0 to 0.5
Aluminum (Al), %		0

Boron (B), %		0.0010 to 0.030
Boron (B), %		0

Copper (Cu), %		59 to 64
Copper (Cu), %		31 to 33

Iron (Fe), %		0 to 1.0
Iron (Fe), %		0

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

Manganese (Mn), %		0.2 to 1.5
Manganese (Mn), %		0

Nickel (Ni), %		0 to 0.5
Nickel (Ni), %		0

Phosphorus (P), %		0.030 to 0.3
Phosphorus (P), %		0

Silicon (Si), %		1.5 to 2.5
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		37 to 39

Tin (Sn), %		0 to 0.5
Tin (Sn), %		1.5 to 2.5

Zinc (Zn), %		28.6 to 39.3
Zinc (Zn), %		26 to 30

Residuals, %		0 to 0.5
Residuals, %		0 to 0.15