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EN 1.7227 Steel vs. EN 1.3520 Steel

Both EN 1.7227 steel and EN 1.3520 steel are iron alloys. Their average alloy composition is basically identical. There are 24 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 1.7227 steel and the bottom bar is EN 1.3520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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 540 to 1850
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
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 46
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 51
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 65
22 to 26
Strength to Weight: Bending, points 19 to 43
21 to 23
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 16 to 54
18 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.38 to 0.45
0.93 to 1.1
Chromium (Cr), % 0.9 to 1.2
1.4 to 1.7
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 96.5 to 98
95.9 to 97.2
Manganese (Mn), % 0.6 to 0.9
1.0 to 1.2
Molybdenum (Mo), % 0.15 to 0.3
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 0.3
0.45 to 0.75
Sulfur (S), % 0.020 to 0.040
0 to 0.030

Comparable Variants