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AWS BNi-10 vs. SAE-AISI 4340 Steel

AWS BNi-10 belongs to the nickel alloys classification, while SAE-AISI 4340 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-10 and the bottom bar is SAE-AISI 4340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 600
690 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Melting Completion (Liquidus), °C 1110
1460
Melting Onset (Solidus), °C 970
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 80
3.5
Density, g/cm3 9.4
7.8
Embodied Carbon, kg CO2/kg material 11
1.7
Embodied Energy, MJ/kg 160
22
Embodied Water, L/kg 230
53

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 18
24 to 45
Strength to Weight: Bending, points 17
22 to 33
Thermal Shock Resistance, points 19
20 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.0 to 3.0
0
Carbon (C), % 0.4 to 0.55
0.38 to 0.43
Chromium (Cr), % 10 to 13
0.7 to 0.9
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 2.5 to 4.5
95.1 to 96.3
Manganese (Mn), % 0
0.6 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 57.2 to 67.1
1.7 to 2.0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 15 to 17
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0