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EN 1.5538 Steel vs. EN 1.8505 Steel

Both EN 1.5538 steel and EN 1.8505 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.5538 steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 190
320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 530 to 1810
1050

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 51
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
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

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 64
37
Strength to Weight: Bending, points 19 to 42
30
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 16 to 53
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.35 to 0.4
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), % 97.2 to 98.5
95.4 to 97.1
Manganese (Mn), % 1.2 to 1.5
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