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AWS BNi-7 vs. EN 1.4612 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while EN 1.4612 stainless steel belongs to the iron alloys. They have a modest 23% 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 (10, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is EN 1.4612 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
76
Tensile Strength: Ultimate (UTS), MPa 550
1690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 890
1450
Melting Onset (Solidus), °C 890
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
16
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 8.8
3.6
Embodied Energy, MJ/kg 120
50
Embodied Water, L/kg 240
140

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
60 to 65
Strength to Weight: Bending, points 19
40 to 43
Thermal Shock Resistance, points 21
58 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.050
1.4 to 1.8
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.015
Chromium (Cr), % 13 to 15
11 to 12.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
71.5 to 75.5
Manganese (Mn), % 0 to 0.040
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 73.3 to 77.3
10.2 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 9.7 to 10.5
0 to 0.010
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.020
0 to 0.0050
Titanium (Ti), % 0 to 0.050
0.2 to 0.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0