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EN 1.8505 Steel vs. EN 1.5450 Steel

Both EN 1.8505 steel and EN 1.5450 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.5450 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
19
Fatigue Strength, MPa 540
310
Impact Strength: V-Notched Charpy, J 28
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 630
380
Tensile Strength: Ultimate (UTS), MPa 1050
620
Tensile Strength: Yield (Proof), MPa 860
460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 22
20
Embodied Water, L/kg 65
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
22
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 31
18

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0 to 0.060
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0.28 to 0.35
0.060 to 0.1
Chromium (Cr), % 1.5 to 1.8
0 to 0.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.4 to 97.1
97.6 to 98.8
Manganese (Mn), % 0.4 to 0.7
0.6 to 0.8
Molybdenum (Mo), % 0.2 to 0.4
0.4 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.1 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.010
Titanium (Ti), % 0
0 to 0.060