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AWS E2593 vs. SAE-AISI A8 Steel

Both AWS E2593 and SAE-AISI A8 steel are iron alloys. They have 65% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS E2593 and the bottom bar is SAE-AISI A8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 850
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
37
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
8.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.2
2.3
Embodied Energy, MJ/kg 59
31
Embodied Water, L/kg 190
73

Common Calculations

PREN (Pitting Resistance) 39
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
25 to 68
Strength to Weight: Bending, points 25
22 to 44
Thermal Diffusivity, mm2/s 4.3
9.9
Thermal Shock Resistance, points 21
22 to 62

Alloy Composition

Carbon (C), % 0 to 0.040
0.5 to 0.6
Chromium (Cr), % 24 to 27
4.8 to 5.5
Copper (Cu), % 1.5 to 3.0
0 to 0.25
Iron (Fe), % 52.7 to 62.5
88.5 to 91.9
Manganese (Mn), % 0.5 to 1.5
0 to 0.5
Molybdenum (Mo), % 2.9 to 3.9
1.2 to 1.7
Nickel (Ni), % 8.5 to 10.5
0 to 0.3
Nitrogen (N), % 0.080 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.75 to 1.1
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.0 to 1.5