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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.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
200
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 33
77
Tensile Strength: Ultimate (UTS), MPa 180
1250

Thermal Properties

Latent Heat of Fusion, J/g 150
320
Melting Completion (Liquidus), °C 850
1380
Melting Onset (Solidus), °C 820
1330
Specific Heat Capacity, J/kg-K 280
460
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Density, g/cm3 10
8.4

Common Calculations

Stiffness to Weight: Axial, points 4.9
13
Stiffness to Weight: Bending, points 15
23
Strength to Weight: Axial, points 4.9
42
Strength to Weight: Bending, points 7.0
31
Thermal Shock Resistance, points 7.8
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.030 to 0.1
Chromium (Cr), % 0
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 31 to 33
0 to 0.5
Iron (Fe), % 0
0 to 2.0
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 0
49.6 to 62.5
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 57 to 59
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0 to 0.0010
0.020 to 0.12