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AWS BNi-1 vs. EN 1.4057 Stainless Steel

AWS BNi-1 belongs to the nickel alloys classification, while EN 1.4057 stainless steel belongs to the iron alloys. They have a modest 21% 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 (15, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-1 and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 70
77
Tensile Strength: Ultimate (UTS), MPa 450
840 to 980

Thermal Properties

Latent Heat of Fusion, J/g 360
280
Melting Completion (Liquidus), °C 1040
1440
Melting Onset (Solidus), °C 980
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 8.8
2.2
Embodied Energy, MJ/kg 120
32
Embodied Water, L/kg 240
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
30 to 35
Strength to Weight: Bending, points 16
26 to 28
Thermal Shock Resistance, points 15
30 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0.6 to 0.9
0.12 to 0.22
Chromium (Cr), % 13 to 15
15 to 17
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 4.0 to 5.0
77.7 to 83.4
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 69.8 to 75.7
1.5 to 2.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
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