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EN 1.5525 Steel vs. EN 1.8505 Steel

Both EN 1.5525 steel and EN 1.8505 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.5525 steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
13
Fatigue Strength, MPa 210 to 310
540
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 310 to 350
630
Tensile Strength: Ultimate (UTS), MPa 440 to 1440
1050
Tensile Strength: Yield (Proof), MPa 300 to 490
860

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 640
1950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 51
37
Strength to Weight: Bending, points 16 to 36
30
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 13 to 42
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.18 to 0.23
0.28 to 0.35
Chromium (Cr), % 0 to 0.3
1.5 to 1.8
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.7 to 98.9
95.4 to 97.1
Manganese (Mn), % 0.9 to 1.2
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035