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AWS BNi-4 vs. S32803 Stainless Steel

AWS BNi-4 belongs to the nickel alloys classification, while S32803 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 67
81
Tensile Strength: Ultimate (UTS), MPa 430
680

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Melting Completion (Liquidus), °C 1070
1450
Melting Onset (Solidus), °C 980
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
19
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
3.7
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 220
180

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 14
25
Strength to Weight: Bending, points 15
22
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.015
Chromium (Cr), % 0
28 to 29
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
62.9 to 67.1
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 91.4 to 95.5
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.020
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 0.55
Sulfur (S), % 0 to 0.020
0 to 0.0035
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0