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AWS BAg-18 vs. Nickel 684

AWS BAg-18 belongs to the otherwise unclassified metals classification, while nickel 684 belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-18 and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
200
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 30
76
Tensile Strength: Ultimate (UTS), MPa 170
1190

Thermal Properties

Latent Heat of Fusion, J/g 130
320
Melting Completion (Liquidus), °C 720
1370
Melting Onset (Solidus), °C 600
1320
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.3
Embodied Carbon, kg CO2/kg material 59
10
Embodied Energy, MJ/kg 930
140

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 15
23
Strength to Weight: Axial, points 4.9
40
Strength to Weight: Bending, points 7.0
30
Thermal Shock Resistance, points 7.7
34

Alloy Composition


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Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 28.4 to 31.5
0 to 0.15
Iron (Fe), % 0
0 to 4.0
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
42.7 to 64
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 59 to 61
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 9.5 to 10.5
0
Titanium (Ti), % 0
2.5 to 3.3
Residuals, % 0 to 0.15
0