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AWS BNi-7 vs. SAE-AISI S2 Steel

AWS BNi-7 belongs to the nickel alloys classification, while SAE-AISI S2 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is SAE-AISI S2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 67
72
Tensile Strength: Ultimate (UTS), MPa 550
670 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 890
1450
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.6
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 8.8
2.1
Embodied Energy, MJ/kg 120
30
Embodied Water, L/kg 240
49

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
24 to 69
Strength to Weight: Bending, points 19
22 to 44
Thermal Shock Resistance, points 21
23 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0.4 to 0.55
Chromium (Cr), % 13 to 15
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.2
96 to 98.1
Manganese (Mn), % 0 to 0.040
0.3 to 0.5
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 73.3 to 77.3
0 to 0.3
Phosphorus (P), % 9.7 to 10.5
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0.9 to 1.2
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0
0 to 0.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0