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SAE-AISI 1144 Steel vs. AWS BNi-2

SAE-AISI 1144 steel belongs to the iron alloys classification, while AWS BNi-2 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1144 steel and the bottom bar is AWS BNi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
68
Tensile Strength: Ultimate (UTS), MPa 750 to 840
440

Thermal Properties

Latent Heat of Fusion, J/g 250
360
Melting Completion (Liquidus), °C 1450
1000
Melting Onset (Solidus), °C 1410
970
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
55
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
9.3
Embodied Energy, MJ/kg 19
130
Embodied Water, L/kg 47
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27 to 30
15
Strength to Weight: Bending, points 23 to 25
16
Thermal Shock Resistance, points 22 to 24
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 0.4 to 0.48
0 to 0.060
Chromium (Cr), % 0
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 97.5 to 98
2.5 to 3.5
Manganese (Mn), % 1.4 to 1.7
0
Nickel (Ni), % 0
79.1 to 84.8
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
4.0 to 5.0
Sulfur (S), % 0.24 to 0.33
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5