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AWS BNi-5 vs. AISI 317LMN Stainless Steel

AWS BNi-5 belongs to the nickel alloys classification, while AISI 317LMN stainless steel belongs to the iron alloys. They have a modest 34% 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 AWS BNi-5 and the bottom bar is AISI 317LMN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 470
620

Thermal Properties

Latent Heat of Fusion, J/g 470
290
Melting Completion (Liquidus), °C 1140
1460
Melting Onset (Solidus), °C 1080
1410
Specific Heat Capacity, J/kg-K 510
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 8.9
4.8
Embodied Energy, MJ/kg 130
65
Embodied Water, L/kg 260
170

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.030
0
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 18.5 to 19.5
17 to 20
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0
54.4 to 65.4
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 69.1 to 71.8
13.5 to 17.5
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.045
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 9.8 to 10.5
0 to 0.75
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