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S39274 Stainless Steel vs. AWS BNi-5

S39274 stainless steel belongs to the iron alloys classification, while AWS BNi-5 belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. 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-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 900
470

Thermal Properties

Latent Heat of Fusion, J/g 300
470
Melting Completion (Liquidus), °C 1480
1140
Melting Onset (Solidus), °C 1430
1080
Specific Heat Capacity, J/kg-K 470
510
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
55
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.3
8.9
Embodied Energy, MJ/kg 60
130
Embodied Water, L/kg 180
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 26
17
Thermal Shock Resistance, points 25
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0 to 0.030
Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 24 to 26
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 6.0 to 8.0
69.1 to 71.8
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
9.8 to 10.5
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