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EN 1.7227 Steel vs. EN 1.8527 Steel

Both EN 1.7227 steel and EN 1.8527 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 1.8527 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
74
Tensile Strength: Ultimate (UTS), MPa 540 to 1850
900

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
490
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 46
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 51
66

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 65
32
Strength to Weight: Bending, points 19 to 43
26
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 16 to 54
26

Alloy Composition

Carbon (C), % 0.38 to 0.45
0.040 to 0.12
Chromium (Cr), % 0.9 to 1.2
3.7 to 4.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 96.5 to 98
93.2 to 95.1
Manganese (Mn), % 0.6 to 0.9
0.85 to 1.2
Molybdenum (Mo), % 0.15 to 0.3
0.4 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0.020 to 0.040
0 to 0.035