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EN 1.0220 Steel vs. EN 1.1141 Steel

Both EN 1.0220 steel and EN 1.1141 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0220 steel and the bottom bar is EN 1.1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
28
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 250
280
Tensile Strength: Ultimate (UTS), MPa 390
420
Tensile Strength: Yield (Proof), MPa 290
220

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
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
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
99
Resilience: Unit (Modulus of Resilience), kJ/m3 230
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14
15
Strength to Weight: Bending, points 15
16
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0 to 0.16
0.12 to 0.18
Iron (Fe), % 98.2 to 100
98.8 to 99.58
Manganese (Mn), % 0 to 1.2
0.3 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.035