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SAE-AISI 1144 Steel vs. AWS ERNiCrMo-10

SAE-AISI 1144 steel belongs to the iron alloys classification, while AWS ERNiCrMo-10 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 ERNiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11 to 17
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
84
Tensile Strength: Ultimate (UTS), MPa 750 to 840
790

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1450
1550
Melting Onset (Solidus), °C 1410
1490
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 51
10
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
70
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
12
Embodied Energy, MJ/kg 19
160
Embodied Water, L/kg 47
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27 to 30
25
Strength to Weight: Bending, points 23 to 25
21
Thermal Diffusivity, mm2/s 14
2.7
Thermal Shock Resistance, points 22 to 24
21

Alloy Composition

Carbon (C), % 0.4 to 0.48
0 to 0.015
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.5 to 98
2.0 to 6.0
Manganese (Mn), % 1.4 to 1.7
0 to 0.5
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0
49 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.080
Sulfur (S), % 0.24 to 0.33
0 to 0.010
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5