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AWS BNi-5 vs. EN 1.4618 Stainless Steel

AWS BNi-5 belongs to the nickel alloys classification, while EN 1.4618 stainless steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. 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-5 and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 470
680 to 700

Thermal Properties

Latent Heat of Fusion, J/g 470
280
Melting Completion (Liquidus), °C 1140
1400
Melting Onset (Solidus), °C 1080
1360
Specific Heat Capacity, J/kg-K 510
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 8.9
2.7
Embodied Energy, MJ/kg 130
39
Embodied Water, L/kg 260
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24 to 25
Strength to Weight: Bending, points 17
22 to 23
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.030
0
Carbon (C), % 0 to 0.060
0 to 0.1
Chromium (Cr), % 18.5 to 19.5
16.5 to 18.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 0
62.7 to 72.5
Manganese (Mn), % 0
5.5 to 9.5
Nickel (Ni), % 69.1 to 71.8
4.5 to 5.5
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.020
0 to 0.070
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 9.8 to 10.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0