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EN 1.0044 Steel vs. SAE-AISI A2 Steel

Both EN 1.0044 steel and SAE-AISI A2 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.0044 steel and the bottom bar is SAE-AISI A2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 470
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
38
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
5.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 18
38
Embodied Water, L/kg 47
73

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
25 to 73
Strength to Weight: Bending, points 17
23 to 46
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 15
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.25
1.0 to 1.1
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 0 to 0.6
0 to 0.25
Iron (Fe), % 97.4 to 100
89.4 to 93.3
Manganese (Mn), % 0 to 1.6
0 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.045
0 to 0.030
Vanadium (V), % 0
0.15 to 0.5