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EN 1.0590 Steel vs. EN 1.0577 Steel

Both EN 1.0590 steel and EN 1.0577 steel are iron alloys. Both are furnished in the hot worked condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0590 steel and the bottom bar is EN 1.0577 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
20
Fatigue Strength, MPa 290
230
Impact Strength: V-Notched Charpy, J 31
31
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
330
Tensile Strength: Ultimate (UTS), MPa 620
530
Tensile Strength: Yield (Proof), MPa 430
330

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
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 22
19
Embodied Water, L/kg 48
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
93
Resilience: Unit (Modulus of Resilience), kJ/m3 480
290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.24
0 to 0.24
Copper (Cu), % 0 to 0.6
0 to 0.6
Iron (Fe), % 96.4 to 100
96.8 to 100
Manganese (Mn), % 0 to 1.8
0 to 1.7
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.035
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.15
0