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AWS BNi-7 vs. EN 1.4606 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while EN 1.4606 stainless steel belongs to the iron alloys. They have a modest 40% 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 (14, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is EN 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 67
75
Tensile Strength: Ultimate (UTS), MPa 550
600 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 890
1430
Melting Onset (Solidus), °C 890
1380
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 8.8
6.0
Embodied Energy, MJ/kg 120
87
Embodied Water, L/kg 240
170

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
21 to 36
Strength to Weight: Bending, points 19
20 to 28
Thermal Shock Resistance, points 21
21 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.35
Boron (B), % 0 to 0.010
0.0010 to 0.010
Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 13 to 15
13 to 16
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
49.2 to 59
Manganese (Mn), % 0 to 0.040
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 73.3 to 77.3
24 to 27
Phosphorus (P), % 9.7 to 10.5
0 to 0.025
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
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0