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AWS BNi-7 vs. AISI 301LN Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while AISI 301LN stainless steel belongs to the iron alloys. They have a modest 21% 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 (15, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is AISI 301LN 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
630 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 890
1430
Melting Onset (Solidus), °C 890
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 120
39
Embodied Water, L/kg 240
130

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
22 to 38
Strength to Weight: Bending, points 19
21 to 30
Thermal Shock Resistance, points 21
14 to 24

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 13 to 15
16 to 18
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
70.7 to 77.9
Manganese (Mn), % 0 to 0.040
0 to 2.0
Nickel (Ni), % 73.3 to 77.3
6.0 to 8.0
Nitrogen (N), % 0
0.070 to 0.2
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