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AWS BNi-7 vs. EN 1.4662 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while EN 1.4662 stainless steel belongs to the iron alloys. 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 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
200
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 67
79
Tensile Strength: Ultimate (UTS), MPa 550
810 to 830

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 890
1430
Melting Onset (Solidus), °C 890
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
16
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 8.8
3.2
Embodied Energy, MJ/kg 120
45
Embodied Water, L/kg 240
170

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
29 to 30
Strength to Weight: Bending, points 19
25
Thermal Shock Resistance, points 21
22

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
23 to 25
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 0 to 0.2
62.6 to 70.2
Manganese (Mn), % 0 to 0.040
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 73.3 to 77.3
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 9.7 to 10.5
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.0050
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0