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S32304 Stainless Steel vs. AWS BNi-8

S32304 stainless steel belongs to the iron alloys classification, while AWS BNi-8 belongs to the nickel alloys. 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 S32304 stainless steel and the bottom bar is AWS BNi-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
67
Tensile Strength: Ultimate (UTS), MPa 670
570

Thermal Properties

Latent Heat of Fusion, J/g 290
390
Melting Completion (Liquidus), °C 1420
1010
Melting Onset (Solidus), °C 1380
980
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14
46
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 40
120
Embodied Water, L/kg 160
220

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 21.5 to 24.5
0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0.050 to 0.6
4.0 to 5.0
Iron (Fe), % 65 to 75.4
0
Manganese (Mn), % 0 to 2.5
21.5 to 24.5
Molybdenum (Mo), % 0.050 to 0.6
0
Nickel (Ni), % 3.0 to 5.5
61.6 to 68.5
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
6.0 to 8.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5