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EN 1.0044 Steel vs. EN 1.8503 Steel

Both EN 1.0044 steel and EN 1.8503 steel are iron alloys. They have a very high 97% 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 1.0044 steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
16
Fatigue Strength, MPa 180
600
Impact Strength: V-Notched Charpy, J 31
39
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
610
Tensile Strength: Ultimate (UTS), MPa 470
1000
Tensile Strength: Yield (Proof), MPa 250
910

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
41
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 18
33
Embodied Water, L/kg 47
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
150
Resilience: Unit (Modulus of Resilience), kJ/m3 170
2200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
35
Strength to Weight: Bending, points 17
28
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 15
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.25
0.16 to 0.24
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 97.4 to 100
95.8 to 97.5
Manganese (Mn), % 0 to 1.6
0.4 to 0.8
Molybdenum (Mo), % 0
0.65 to 0.8
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.035
Vanadium (V), % 0
0.25 to 0.35