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EN 1.1165 Cast Steel vs. SAE-AISI 4340 Steel

Both EN 1.1165 cast steel and SAE-AISI 4340 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.1165 cast steel and the bottom bar is SAE-AISI 4340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 20
12 to 22
Fatigue Strength, MPa 200 to 380
330 to 740
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 600 to 780
690 to 1280
Tensile Strength: Yield (Proof), MPa 290 to 620
470 to 1150

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
430
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
44
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 47
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
79 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 1010
590 to 3490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 28
24 to 45
Strength to Weight: Bending, points 20 to 24
22 to 33
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 19 to 25
20 to 38

Alloy Composition

Carbon (C), % 0.25 to 0.32
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 0.9
Iron (Fe), % 97.2 to 98.6
95.1 to 96.3
Manganese (Mn), % 1.2 to 1.8
0.6 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040

Comparable Variants