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S39274 Stainless Steel vs. AWS BNi-8

S39274 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 (17, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is AWS BNi-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
180
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 81
67
Tensile Strength: Ultimate (UTS), MPa 900
570

Thermal Properties

Latent Heat of Fusion, J/g 300
390
Melting Completion (Liquidus), °C 1480
1010
Melting Onset (Solidus), °C 1430
980
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
46
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.3
8.2
Embodied Energy, MJ/kg 60
120
Embodied Water, L/kg 180
220

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 26
19
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 24 to 26
0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0.2 to 0.8
4.0 to 5.0
Iron (Fe), % 57 to 65.6
0
Manganese (Mn), % 0 to 1.0
21.5 to 24.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 6.0 to 8.0
61.6 to 68.5
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.8
6.0 to 8.0
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 1.5 to 2.5
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5