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AWS BNi-4 vs. EN 1.8901 Steel

AWS BNi-4 belongs to the nickel alloys classification, while EN 1.8901 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-4 and the bottom bar is EN 1.8901 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
73
Tensile Strength: Ultimate (UTS), MPa 430
630

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Melting Completion (Liquidus), °C 1070
1460
Melting Onset (Solidus), °C 980
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.6
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
1.8
Embodied Energy, MJ/kg 140
24
Embodied Water, L/kg 220
51

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 14
22
Strength to Weight: Bending, points 15
21
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.015
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.22
Chromium (Cr), % 0
0 to 0.35
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 0 to 1.5
95 to 99.05
Manganese (Mn), % 0
1.0 to 1.8
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 91.4 to 95.5
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.020
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 0.65
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 0.22
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0