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EN 1.1244 Steel vs. EN 1.3520 Steel

Both EN 1.1244 steel and EN 1.3520 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.1244 steel and the bottom bar is EN 1.3520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
190 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 730 to 770
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
430
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 47
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 28
22 to 26
Strength to Weight: Bending, points 23 to 24
21 to 23
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 23 to 25
18 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.050
Carbon (C), % 0.65 to 0.75
0.93 to 1.1
Chromium (Cr), % 0
1.4 to 1.7
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 98.1 to 99.2
95.9 to 97.2
Manganese (Mn), % 0.8 to 1.1
1.0 to 1.2
Molybdenum (Mo), % 0
0 to 0.1
Oxygen (O), % 0 to 0.0020
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 0.030
0 to 0.030