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EN 1.0220 Steel vs. EN 1.7201 Steel

Both EN 1.0220 steel and EN 1.7201 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.0220 steel and the bottom bar is EN 1.7201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
130 to 160
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 390
430 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
45
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 46
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14
15 to 46
Strength to Weight: Bending, points 15
16 to 34
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 12
13 to 38

Alloy Composition

Carbon (C), % 0 to 0.16
0.1 to 0.15
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.2 to 100
96.9 to 98.3
Manganese (Mn), % 0 to 1.2
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.045
0 to 0.025