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SAE-AISI 1049 Steel vs. EN 1.0590 Steel

Both SAE-AISI 1049 steel and EN 1.0590 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1049 steel and the bottom bar is EN 1.0590 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
19
Fatigue Strength, MPa 250 to 400
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 420 to 450
380
Tensile Strength: Ultimate (UTS), MPa 680 to 750
620
Tensile Strength: Yield (Proof), MPa 370 to 640
430

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 18
22
Embodied Water, L/kg 46
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 99
110
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 1090
480
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 27
22
Strength to Weight: Bending, points 22 to 23
21
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 22 to 24
20

Alloy Composition

Carbon (C), % 0.46 to 0.53
0 to 0.24
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 98.5 to 98.9
96.4 to 100
Manganese (Mn), % 0.6 to 0.9
0 to 1.8
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0 to 0.050
0 to 0.040
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.15