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EN 1.0411 Steel vs. EN 1.1122 Steel

Both EN 1.0411 steel and EN 1.1122 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0411 steel and the bottom bar is EN 1.1122 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 170
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 26
12 to 21
Fatigue Strength, MPa 200 to 320
170 to 260
Poisson's Ratio 0.29
0.29
Reduction in Area, % 60 to 74
63 to 73
Shear Modulus, GPa 73
73
Shear Strength, MPa 300 to 350
240 to 290
Tensile Strength: Ultimate (UTS), MPa 420 to 570
340 to 460
Tensile Strength: Yield (Proof), MPa 270 to 480
240 to 370

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 52
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 140
36 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 610
160 to 360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 20
12 to 16
Strength to Weight: Bending, points 16 to 20
14 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 13 to 18
11 to 15

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.18 to 0.22
0.080 to 0.12
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.7 to 99.1
98.7 to 99.62
Manganese (Mn), % 0.7 to 0.9
0.3 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants