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AWS BNi-4 vs. EN 1.7767 Steel

AWS BNi-4 belongs to the nickel alloys classification, while EN 1.7767 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 67
74
Tensile Strength: Ultimate (UTS), MPa 430
670 to 690

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Melting Completion (Liquidus), °C 1070
1470
Melting Onset (Solidus), °C 980
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
4.5
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 10
2.4
Embodied Energy, MJ/kg 140
33
Embodied Water, L/kg 220
64

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 14
24
Strength to Weight: Bending, points 15
22
Thermal Shock Resistance, points 16
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0.1 to 0.15
Chromium (Cr), % 0
2.8 to 3.3
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 1.5
93.8 to 95.8
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 91.4 to 95.5
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.020
0 to 0.015
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 0.15
Sulfur (S), % 0 to 0.020
0 to 0.0050
Titanium (Ti), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0