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EN 1.3538 Steel vs. EN 1.8503 Steel

Both EN 1.3538 steel and EN 1.8503 steel are iron alloys. Their average alloy composition is basically identical. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3538 steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
300
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 670 to 740
1000

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
440
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.3
Embodied Energy, MJ/kg 21
33
Embodied Water, L/kg 56
57

Common Calculations

PREN (Pitting Resistance) 3.3
3.7
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 26
35
Strength to Weight: Bending, points 22 to 23
28
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 20 to 22
29

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.3
Carbon (C), % 0.93 to 1.1
0.16 to 0.24
Chromium (Cr), % 1.7 to 2.0
1.2 to 1.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96 to 97.2
95.8 to 97.5
Manganese (Mn), % 0.6 to 0.8
0.4 to 0.8
Molybdenum (Mo), % 0.4 to 0.5
0.65 to 0.8
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.25 to 0.35