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SAE-AISI 1040 Steel vs. EN 1.0411 Steel

Both SAE-AISI 1040 steel and EN 1.0411 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1040 steel and the bottom bar is EN 1.0411 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 20
12 to 26
Fatigue Strength, MPa 220 to 340
200 to 320
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40 to 45
60 to 74
Shear Modulus, GPa 73
73
Shear Strength, MPa 350 to 390
300 to 350
Tensile Strength: Ultimate (UTS), MPa 570 to 640
420 to 570
Tensile Strength: Yield (Proof), MPa 320 to 530
270 to 480

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
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 96
43 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 760
190 to 610
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 23
15 to 20
Strength to Weight: Bending, points 19 to 21
16 to 20
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 18 to 20
13 to 18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.37 to 0.44
0.18 to 0.22
Iron (Fe), % 98.6 to 99.03
98.7 to 99.1
Manganese (Mn), % 0.6 to 0.9
0.7 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.025

Comparable Variants