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EN 1.0590 Steel vs. EN 1.8901 Steel

Both EN 1.0590 steel and EN 1.8901 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0590 steel and the bottom bar is EN 1.8901 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
19
Fatigue Strength, MPa 290
340
Impact Strength: V-Notched Charpy, J 31
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
390
Tensile Strength: Ultimate (UTS), MPa 620
630
Tensile Strength: Yield (Proof), MPa 430
490

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
44
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.8
Embodied Energy, MJ/kg 22
24
Embodied Water, L/kg 48
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 480
640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 20
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.24
0 to 0.22
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0 to 0.6
0 to 0.6
Iron (Fe), % 96.4 to 100
95 to 99.05
Manganese (Mn), % 0 to 1.8
1.0 to 1.8
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0 to 0.060
0 to 0.060
Nitrogen (N), % 0 to 0.027
0 to 0.027
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.65
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0 to 0.060
0 to 0.060
Vanadium (V), % 0 to 0.15
0 to 0.22