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SAE-AISI 1144 Steel vs. AWS E330H

Both SAE-AISI 1144 steel and AWS E330H are iron alloys. They have 48% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
11
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 750 to 840
690

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
30
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 19
76
Embodied Water, L/kg 47
180

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
24
Strength to Weight: Bending, points 23 to 25
22
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 22 to 24
19

Alloy Composition

Carbon (C), % 0.4 to 0.48
0.35 to 0.45
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 97.5 to 98
40.5 to 51.7
Manganese (Mn), % 1.4 to 1.7
1.0 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.24 to 0.33
0 to 0.030