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EN 1.8505 Steel vs. EN 1.3520 Steel

Both EN 1.8505 steel and EN 1.3520 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is EN 1.3520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
190 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 1050
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 440
430
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 22
20
Embodied Water, L/kg 65
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
22 to 26
Strength to Weight: Bending, points 30
21 to 23
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 31
18 to 22

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0 to 0.050
Carbon (C), % 0.28 to 0.35
0.93 to 1.1
Chromium (Cr), % 1.5 to 1.8
1.4 to 1.7
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.4 to 97.1
95.9 to 97.2
Manganese (Mn), % 0.4 to 0.7
1.0 to 1.2
Molybdenum (Mo), % 0.2 to 0.4
0 to 0.1
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.45 to 0.75
Sulfur (S), % 0 to 0.035
0 to 0.030