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EN 1.0553 Steel vs. EN 1.5415 Steel

Both EN 1.0553 steel and EN 1.5415 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0553 steel and the bottom bar is EN 1.5415 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
24
Fatigue Strength, MPa 230
200
Impact Strength: V-Notched Charpy, J 31
36
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 330
320
Tensile Strength: Ultimate (UTS), MPa 530
510
Tensile Strength: Yield (Proof), MPa 330
280

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
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
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.3
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 47
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
100
Resilience: Unit (Modulus of Resilience), kJ/m3 290
210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.24
0.12 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.6
0 to 0.3
Iron (Fe), % 96.8 to 100
97.3 to 99.23
Manganese (Mn), % 0 to 1.7
0.4 to 0.9
Molybdenum (Mo), % 0
0.25 to 0.35
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.014
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.010