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AWS BNi-7 vs. EN 1.4435 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while EN 1.4435 stainless steel belongs to the iron alloys. They have a modest 28% 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-7 and the bottom bar is EN 1.4435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 67
78
Tensile Strength: Ultimate (UTS), MPa 550
610

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 890
1440
Melting Onset (Solidus), °C 890
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
21
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 8.8
4.1
Embodied Energy, MJ/kg 120
57
Embodied Water, L/kg 240
160

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 13 to 15
17 to 19
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
59.8 to 68
Manganese (Mn), % 0 to 0.040
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 73.3 to 77.3
12.5 to 15
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 9.7 to 10.5
0 to 0.045
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
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