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AWS BNi-8 vs. EN 1.8818 Steel

AWS BNi-8 belongs to the nickel alloys classification, while EN 1.8818 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-8 and the bottom bar is EN 1.8818 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 67
73
Tensile Strength: Ultimate (UTS), MPa 570
440

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Melting Completion (Liquidus), °C 1010
1460
Melting Onset (Solidus), °C 980
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 46
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.6
Embodied Energy, MJ/kg 120
21
Embodied Water, L/kg 220
49

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
16
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 0.050
0.015 to 0.034
Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 0
0 to 0.35
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
0 to 0.6
Iron (Fe), % 0
95.9 to 99.985
Manganese (Mn), % 21.5 to 24.5
0 to 1.6
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 61.6 to 68.5
0 to 0.35
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.020
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0 to 0.55
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0 to 0.060
Vanadium (V), % 0
0 to 0.1
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0