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EN 1.8505 Steel vs. SAE-AISI 1340 Steel

Both EN 1.8505 steel and SAE-AISI 1340 steel are iron alloys. They have a very high 97% of their average alloy composition in common. 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 EN 1.8505 steel and the bottom bar is SAE-AISI 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
11 to 23
Fatigue Strength, MPa 540
220 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 630
340 to 440
Tensile Strength: Ultimate (UTS), MPa 1050
540 to 730
Tensile Strength: Yield (Proof), MPa 860
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 22
19
Embodied Water, L/kg 65
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
240 to 1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
19 to 26
Strength to Weight: Bending, points 30
19 to 23
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 31
17 to 23

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.38 to 0.43
Chromium (Cr), % 1.5 to 1.8
0
Iron (Fe), % 95.4 to 97.1
97.2 to 97.9
Manganese (Mn), % 0.4 to 0.7
1.6 to 1.9
Molybdenum (Mo), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.040