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AWS BNi-4 vs. EN 1.4404 Stainless Steel

AWS BNi-4 belongs to the nickel alloys classification, while EN 1.4404 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is EN 1.4404 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 67
78
Tensile Strength: Ultimate (UTS), MPa 430
600 to 900

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Melting Completion (Liquidus), °C 1070
1440
Melting Onset (Solidus), °C 980
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
19
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 10
3.8
Embodied Energy, MJ/kg 140
52
Embodied Water, L/kg 220
150

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 14
21 to 32
Strength to Weight: Bending, points 15
20 to 26
Thermal Shock Resistance, points 16
13 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 to 0.030
Chromium (Cr), % 0
16.5 to 18.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
62.8 to 71.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 91.4 to 95.5
10 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0