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EN 1.0477 Steel vs. EN 1.1221 Steel

Both EN 1.0477 steel and EN 1.1221 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0477 steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
10 to 21
Fatigue Strength, MPa 170
240 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 280
450 to 520
Tensile Strength: Ultimate (UTS), MPa 440
730 to 870
Tensile Strength: Yield (Proof), MPa 230
390 to 550

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
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
48
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 48
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
410 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
26 to 31
Strength to Weight: Bending, points 16
23 to 26
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 14
23 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.060
0
Carbon (C), % 0 to 0.18
0.57 to 0.65
Chromium (Cr), % 0 to 0.3
0 to 0.4
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.9 to 99.4
97.1 to 98.8
Manganese (Mn), % 0.6 to 1.4
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.080
0 to 0.1
Nickel (Ni), % 0 to 0.3
0 to 0.4
Niobium (Nb), % 0 to 0.030
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0 to 0.050
0