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SAE-AISI A3 Steel vs. AWS E2594

Both SAE-AISI A3 steel and AWS E2594 are iron alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A3 steel and the bottom bar is AWS E2594.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 700 to 2150
850

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 37
16
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
4.3
Embodied Energy, MJ/kg 67
60
Embodied Water, L/kg 78
190

Common Calculations

PREN (Pitting Resistance) 8.9
43
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 77
30
Strength to Weight: Bending, points 23 to 48
25
Thermal Diffusivity, mm2/s 10
4.3
Thermal Shock Resistance, points 23 to 70
21

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.040
Chromium (Cr), % 4.8 to 5.5
24 to 27
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 88.7 to 92
53.8 to 63.8
Manganese (Mn), % 0.4 to 0.6
0.5 to 2.0
Molybdenum (Mo), % 0.9 to 1.4
3.5 to 4.5
Nickel (Ni), % 0 to 0.3
8.0 to 10.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.8 to 1.4
0