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AWS BNi-7 vs. S28200 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is S28200 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
870

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 890
1380
Melting Onset (Solidus), °C 890
1330
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 55
12
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 8.8
2.8
Embodied Energy, MJ/kg 120
41
Embodied Water, L/kg 240
160

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 19
27
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 13 to 15
17 to 19
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 0 to 0.2
57.7 to 64.1
Manganese (Mn), % 0 to 0.040
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 73.3 to 77.3
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 9.7 to 10.5
0 to 0.045
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