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AWS E2594 vs. SAE-AISI 1084 Steel

Both AWS E2594 and SAE-AISI 1084 steel are iron alloys. They have 60% 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 AWS E2594 and the bottom bar is SAE-AISI 1084 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
11
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 850
780 to 930

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 60
19
Embodied Water, L/kg 190
46

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
28 to 33
Strength to Weight: Bending, points 25
24 to 27
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 21
25 to 30

Alloy Composition

Carbon (C), % 0 to 0.040
0.8 to 0.93
Chromium (Cr), % 24 to 27
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.8 to 63.8
98.1 to 98.6
Manganese (Mn), % 0.5 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050