AWS BVAg-31 vs. Nickel 685

AWS BVAg-31 belongs to the otherwise unclassified metals classification, while nickel 685 belongs to the nickel alloys. There are 15 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 AWS BVAg-31 and the bottom bar is nickel 685.

AWS BVAg-31 (P07587) Vacuum Service Filler Metal Nickel Alloy 685 (N07001)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		90
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.36
Poisson's Ratio		0.29

Shear Modulus, GPa		33
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		1250

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		850
Melting Completion (Liquidus), °C		1380

Melting Onset (Solidus), °C		820
Melting Onset (Solidus), °C		1330

Specific Heat Capacity, J/kg-K		280
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.4

Common Calculations

Stiffness to Weight: Axial, points		4.9
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		15
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		4.9
Strength to Weight: Axial, points		42

Strength to Weight: Bending, points		7.0
Strength to Weight: Bending, points		31

Thermal Shock Resistance, points		7.8
Thermal Shock Resistance, points		37

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		1.2 to 1.6

Boron (B), %		0
Boron (B), %		0.0030 to 0.010

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

Carbon (C), %		0 to 0.0050
Carbon (C), %		0.030 to 0.1

Chromium (Cr), %		0
Chromium (Cr), %		18 to 21

Cobalt (Co), %		0
Cobalt (Co), %		12 to 15

Copper (Cu), %		31 to 33
Copper (Cu), %		0 to 0.5

Iron (Fe), %		0
Iron (Fe), %		0 to 2.0

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		3.5 to 5.0

Nickel (Ni), %		0
Nickel (Ni), %		49.6 to 62.5

Palladium (Pd), %		8.0 to 12
Palladium (Pd), %		0

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0 to 0.75

Silver (Ag), %		57 to 59
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Titanium (Ti), %		0
Titanium (Ti), %		2.8 to 3.3

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		0.020 to 0.12