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Nickel 625 vs. AWS BNi-5a

Both nickel 625 and AWS BNi-5a are nickel alloys. They have 83% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is AWS BNi-5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 790 to 910
480

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Melting Completion (Liquidus), °C 1350
1150
Melting Onset (Solidus), °C 1290
1070
Specific Heat Capacity, J/kg-K 440
500
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
55
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 14
9.0
Embodied Energy, MJ/kg 190
130
Embodied Water, L/kg 290
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
17
Strength to Weight: Bending, points 22 to 24
17
Thermal Shock Resistance, points 22 to 25
15

Alloy Composition

Aluminum (Al), % 0 to 0.4
0 to 0.050
Boron (B), % 0
1.0 to 1.5
Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 20 to 23
18.5 to 19.5
Cobalt (Co), % 0 to 1.0
0 to 0.1
Iron (Fe), % 0 to 5.0
0 to 0.5
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
70.1 to 73.5
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.5
7.0 to 7.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0 to 0.4
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5