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AWS BNi-7 vs. EN 1.4361 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while EN 1.4361 stainless steel belongs to the iron alloys. They have a modest 29% 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 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
190
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 67
75
Tensile Strength: Ultimate (UTS), MPa 550
630

Thermal Properties

Latent Heat of Fusion, J/g 280
350
Melting Completion (Liquidus), °C 890
1370
Melting Onset (Solidus), °C 890
1330
Specific Heat Capacity, J/kg-K 490
490
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
19
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 8.8
3.6
Embodied Energy, MJ/kg 120
52
Embodied Water, L/kg 240
150

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 21
15

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.015
Chromium (Cr), % 13 to 15
16.5 to 18.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
58.7 to 65.8
Manganese (Mn), % 0 to 0.040
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 73.3 to 77.3
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 9.7 to 10.5
0 to 0.025
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
3.7 to 4.5
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