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EN 1.0411 Steel vs. SAE-AISI 4340M Steel

Both EN 1.0411 steel and SAE-AISI 4340M steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.0411 steel and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 170
710
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 26
6.0
Fatigue Strength, MPa 200 to 320
690
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 300 to 350
1360
Tensile Strength: Ultimate (UTS), MPa 420 to 570
2340
Tensile Strength: Yield (Proof), MPa 270 to 480
1240

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
430
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
38
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
26
Embodied Water, L/kg 47
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 610
4120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 20
84
Strength to Weight: Bending, points 16 to 20
51
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 13 to 18
70

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.18 to 0.22
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Iron (Fe), % 98.7 to 99.1
93.3 to 94.8
Manganese (Mn), % 0.7 to 0.9
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0 to 0.025
0 to 0.012
Silicon (Si), % 0 to 0.1
1.5 to 1.8
Sulfur (S), % 0 to 0.025
0 to 0.012
Vanadium (V), % 0
0.050 to 0.1