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AWS BNi-4 vs. EN 1.7378 Steel

AWS BNi-4 belongs to the nickel alloys classification, while EN 1.7378 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 1.7378 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
700

Thermal Properties

Latent Heat of Fusion, J/g 340
260
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
4.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
2.3
Embodied Energy, MJ/kg 140
33
Embodied Water, L/kg 220
61

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 14
25
Strength to Weight: Bending, points 15
22
Thermal Shock Resistance, points 16
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.020
Boron (B), % 1.5 to 2.2
0.0015 to 0.0070
Carbon (C), % 0 to 0.060
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
94.6 to 96.1
Manganese (Mn), % 0
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 91.4 to 95.5
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.020
0 to 0.020
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0.15 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0 to 0.050
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0