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AWS BNi-8 vs. EN 1.0644 Steel

AWS BNi-8 belongs to the nickel alloys classification, while EN 1.0644 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 1.0644 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
690

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
12

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
1.8
Embodied Energy, MJ/kg 120
24
Embodied Water, L/kg 220
50

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
24
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 17
22

Alloy Composition

Aluminum (Al), % 0 to 0.050
0.010 to 0.050
Carbon (C), % 0 to 0.060
0.16 to 0.22
Chromium (Cr), % 0
0 to 0.3
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
0 to 0.3
Iron (Fe), % 0
96.1 to 98.4
Manganese (Mn), % 21.5 to 24.5
1.3 to 1.7
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 61.6 to 68.5
0 to 0.4
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0.1 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.035
Titanium (Ti), % 0 to 0.050
0 to 0.050
Vanadium (V), % 0
0.080 to 0.15
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0