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EN 1.5503 Steel vs. EN 1.8505 Steel

Both EN 1.5503 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 1.5503 steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 17
13
Fatigue Strength, MPa 180 to 280
540
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 270 to 320
630
Tensile Strength: Ultimate (UTS), MPa 400 to 520
1050
Tensile Strength: Yield (Proof), MPa 270 to 430
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 52
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 18
22
Embodied Water, L/kg 46
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
1950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 19
37
Strength to Weight: Bending, points 15 to 18
30
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 12 to 15
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0.28 to 0.35
Chromium (Cr), % 0
1.5 to 1.8
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.4 to 99.239
95.4 to 97.1
Manganese (Mn), % 0.6 to 0.8
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