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AWS BNi-1a vs. AWS E385

AWS BNi-1a belongs to the nickel alloys classification, while AWS E385 belongs to the iron alloys. They have 44% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-1a and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 70
79
Tensile Strength: Ultimate (UTS), MPa 450
580

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 980
1390
Specific Heat Capacity, J/kg-K 500
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 55
31
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 8.8
5.8
Embodied Energy, MJ/kg 120
79
Embodied Water, L/kg 240
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 16
19
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 13 to 15
19.5 to 21.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 4.0 to 5.0
41.8 to 50.1
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
4.2 to 5.2
Nickel (Ni), % 70.6 to 76.3
24 to 26
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0 to 0.9
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0