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EN 1.8550 Steel vs. EN 1.0143 Steel

Both EN 1.8550 steel and EN 1.0143 steel are iron alloys. They have a very high 96% 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 1.8550 steel and the bottom bar is EN 1.0143 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
21
Fatigue Strength, MPa 470
180
Impact Strength: V-Notched Charpy, J 34
31
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 600
300
Tensile Strength: Ultimate (UTS), MPa 1000
470
Tensile Strength: Yield (Proof), MPa 760
250

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 40
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
1.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 23
18
Embodied Water, L/kg 67
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
85
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
17
Strength to Weight: Bending, points 29
17
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 29
15

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.21
Chromium (Cr), % 1.5 to 1.8
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 94.4 to 96.3
97.5 to 100
Manganese (Mn), % 0.4 to 0.7
0 to 1.6
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.85 to 1.2
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0 to 0.040