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AWS BNi-7 vs. EN 1.4378 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while EN 1.4378 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is EN 1.4378 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
77
Tensile Strength: Ultimate (UTS), MPa 550
760 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 890
1390
Melting Onset (Solidus), °C 890
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 55
12
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 120
39
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
28 to 41
Strength to Weight: Bending, points 19
24 to 31
Thermal Shock Resistance, points 21
16 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 13 to 15
17 to 19
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
61.2 to 69
Manganese (Mn), % 0 to 0.040
11.5 to 14.5
Nickel (Ni), % 73.3 to 77.3
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 9.7 to 10.5
0 to 0.060
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 0.030
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0