C68000 Brass vs. AWS BVPd-1

C68000 brass belongs to the copper alloys classification, while AWS BVPd-1 belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C68000 brass and the bottom bar is AWS BVPd-1.

UNS C68000 (RBCuZn-B) Filler Metal AWS BVPd-1 (P03657) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		150

Poisson's Ratio		0.3
Poisson's Ratio		0.37

Shear Modulus, GPa		40
Shear Modulus, GPa		56

Tensile Strength: Ultimate (UTS), MPa		390
Tensile Strength: Ultimate (UTS), MPa		240

Thermal Properties

Brazing Temperature, °C		880 to 980
Brazing Temperature, °C		1240 to 1250

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		200

Melting Completion (Liquidus), °C		880
Melting Completion (Liquidus), °C		1240

Melting Onset (Solidus), °C		870
Melting Onset (Solidus), °C		1230

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		310

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		8.0
Density, g/cm³		11

Common Calculations

Stiffness to Weight: Axial, points		7.3
Stiffness to Weight: Axial, points		7.7

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		16

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		6.1

Strength to Weight: Bending, points		15
Strength to Weight: Bending, points		7.9

Thermal Shock Resistance, points		13
Thermal Shock Resistance, points		9.8

Alloy Composition

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Aluminum (Al), %		0 to 0.010
Aluminum (Al), %		0

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

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

Cobalt (Co), %		0
Cobalt (Co), %		33.9 to 36

Copper (Cu), %		56 to 60
Copper (Cu), %		0

Iron (Fe), %		0.25 to 1.3
Iron (Fe), %		0

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 0.0020

Manganese (Mn), %		0.010 to 0.5
Manganese (Mn), %		0

Nickel (Ni), %		0.2 to 0.8
Nickel (Ni), %		0 to 0.060

Palladium (Pd), %		0
Palladium (Pd), %		64 to 66

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

Silicon (Si), %		0.040 to 0.15
Silicon (Si), %		0

Tin (Sn), %		0.75 to 1.1
Tin (Sn), %		0

Zinc (Zn), %		35.6 to 42.8
Zinc (Zn), %		0 to 0.0010

Residuals, %		0 to 0.5
Residuals, %		0