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AWS BNi-11 vs. EN 1.4945 Stainless Steel

AWS BNi-11 belongs to the nickel alloys classification, while EN 1.4945 stainless steel belongs to the iron alloys. They have a modest 34% 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-11 and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 600
640 to 740

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Melting Completion (Liquidus), °C 1100
1490
Melting Onset (Solidus), °C 970
1440
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
30
Density, g/cm3 9.1
8.1
Embodied Carbon, kg CO2/kg material 11
5.0
Embodied Energy, MJ/kg 160
73
Embodied Water, L/kg 230
150

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 18
22 to 25
Strength to Weight: Bending, points 17
20 to 22
Thermal Shock Resistance, points 20
14 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.2 to 3.1
0
Carbon (C), % 0.3 to 0.5
0.040 to 0.1
Chromium (Cr), % 9.0 to 11.8
15.5 to 17.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 2.5 to 4.0
57.9 to 65.7
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 62.9 to 71.2
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.020
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.4 to 4.3
0.3 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 11.5 to 12.8
2.5 to 3.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0